/**
 * Copyright 2023 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

var ModuleFactory = (() => {
  var _scriptDir = typeof document !== 'undefined' && document.currentScript ? document.currentScript.src : undefined;
  if (typeof __filename !== 'undefined') _scriptDir = _scriptDir || __filename;
  return (
function(ModuleFactory) {
  ModuleFactory = ModuleFactory || {};

var Module = typeof ModuleFactory != "undefined" ? ModuleFactory : {};

var readyPromiseResolve, readyPromiseReject;

Module["ready"] = new Promise(function(resolve, reject) {
 readyPromiseResolve = resolve;
 readyPromiseReject = reject;
});

var moduleOverrides = Object.assign({}, Module);

var arguments_ = [];

var thisProgram = "./this.program";

var quit_ = (status, toThrow) => {
 throw toThrow;
};

var ENVIRONMENT_IS_WEB = typeof window == "object";

var ENVIRONMENT_IS_WORKER = typeof importScripts == "function";

var ENVIRONMENT_IS_NODE = typeof process == "object" && typeof process.versions == "object" && typeof process.versions.node == "string";

var scriptDirectory = "";

function locateFile(path) {
 if (Module["locateFile"]) {
  return Module["locateFile"](path, scriptDirectory);
 }
 return scriptDirectory + path;
}

var read_, readAsync, readBinary, setWindowTitle;

function logExceptionOnExit(e) {
 if (e instanceof ExitStatus) return;
 let toLog = e;
 err("exiting due to exception: " + toLog);
}

if (ENVIRONMENT_IS_NODE) {
 var fs = require("fs");
 var nodePath = require("path");
 if (ENVIRONMENT_IS_WORKER) {
  scriptDirectory = nodePath.dirname(scriptDirectory) + "/";
 } else {
  scriptDirectory = __dirname + "/";
 }
 read_ = (filename, binary) => {
  filename = isFileURI(filename) ? new URL(filename) : nodePath.normalize(filename);
  return fs.readFileSync(filename, binary ? undefined : "utf8");
 };
 readBinary = filename => {
  var ret = read_(filename, true);
  if (!ret.buffer) {
   ret = new Uint8Array(ret);
  }
  return ret;
 };
 readAsync = (filename, onload, onerror) => {
  filename = isFileURI(filename) ? new URL(filename) : nodePath.normalize(filename);
  fs.readFile(filename, function(err, data) {
   if (err) onerror(err); else onload(data.buffer);
  });
 };
 if (process["argv"].length > 1) {
  thisProgram = process["argv"][1].replace(/\\/g, "/");
 }
 arguments_ = process["argv"].slice(2);
 process["on"]("uncaughtException", function(ex) {
  if (!(ex instanceof ExitStatus)) {
   throw ex;
  }
 });
 process["on"]("unhandledRejection", function(reason) {
  throw reason;
 });
 quit_ = (status, toThrow) => {
  if (keepRuntimeAlive()) {
   process["exitCode"] = status;
   throw toThrow;
  }
  logExceptionOnExit(toThrow);
  process["exit"](status);
 };
 Module["inspect"] = function() {
  return "[Emscripten Module object]";
 };
} else if (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER) {
 if (ENVIRONMENT_IS_WORKER) {
  scriptDirectory = self.location.href;
 } else if (typeof document != "undefined" && document.currentScript) {
  scriptDirectory = document.currentScript.src;
 }
 if (_scriptDir) {
  scriptDirectory = _scriptDir;
 }
 if (scriptDirectory.indexOf("blob:") !== 0) {
  scriptDirectory = scriptDirectory.substr(0, scriptDirectory.replace(/[?#].*/, "").lastIndexOf("/") + 1);
 } else {
  scriptDirectory = "";
 }
 {
  read_ = url => {
   var xhr = new XMLHttpRequest();
   xhr.open("GET", url, false);
   xhr.send(null);
   return xhr.responseText;
  };
  if (ENVIRONMENT_IS_WORKER) {
   readBinary = url => {
    var xhr = new XMLHttpRequest();
    xhr.open("GET", url, false);
    xhr.responseType = "arraybuffer";
    xhr.send(null);
    return new Uint8Array(xhr.response);
   };
  }
  readAsync = (url, onload, onerror) => {
   var xhr = new XMLHttpRequest();
   xhr.open("GET", url, true);
   xhr.responseType = "arraybuffer";
   xhr.onload = () => {
    if (xhr.status == 200 || xhr.status == 0 && xhr.response) {
     onload(xhr.response);
     return;
    }
    onerror();
   };
   xhr.onerror = onerror;
   xhr.send(null);
  };
 }
 setWindowTitle = title => document.title = title;
} else {}

var out = Module["print"] || console.log.bind(console);

var err = Module["printErr"] || console.warn.bind(console);

Object.assign(Module, moduleOverrides);

moduleOverrides = null;

if (Module["arguments"]) arguments_ = Module["arguments"];

if (Module["thisProgram"]) thisProgram = Module["thisProgram"];

if (Module["quit"]) quit_ = Module["quit"];

var wasmBinary;

if (Module["wasmBinary"]) wasmBinary = Module["wasmBinary"];

var noExitRuntime = Module["noExitRuntime"] || true;

if (typeof WebAssembly != "object") {
 abort("no native wasm support detected");
}

var wasmMemory;

var ABORT = false;

var EXITSTATUS;

function assert(condition, text) {
 if (!condition) {
  abort(text);
 }
}

var UTF8Decoder = typeof TextDecoder != "undefined" ? new TextDecoder("utf8") : undefined;

function UTF8ArrayToString(heapOrArray, idx, maxBytesToRead) {
 var endIdx = idx + maxBytesToRead;
 var endPtr = idx;
 while (heapOrArray[endPtr] && !(endPtr >= endIdx)) ++endPtr;
 if (endPtr - idx > 16 && heapOrArray.buffer && UTF8Decoder) {
  return UTF8Decoder.decode(heapOrArray.subarray(idx, endPtr));
 }
 var str = "";
 while (idx < endPtr) {
  var u0 = heapOrArray[idx++];
  if (!(u0 & 128)) {
   str += String.fromCharCode(u0);
   continue;
  }
  var u1 = heapOrArray[idx++] & 63;
  if ((u0 & 224) == 192) {
   str += String.fromCharCode((u0 & 31) << 6 | u1);
   continue;
  }
  var u2 = heapOrArray[idx++] & 63;
  if ((u0 & 240) == 224) {
   u0 = (u0 & 15) << 12 | u1 << 6 | u2;
  } else {
   u0 = (u0 & 7) << 18 | u1 << 12 | u2 << 6 | heapOrArray[idx++] & 63;
  }
  if (u0 < 65536) {
   str += String.fromCharCode(u0);
  } else {
   var ch = u0 - 65536;
   str += String.fromCharCode(55296 | ch >> 10, 56320 | ch & 1023);
  }
 }
 return str;
}

function UTF8ToString(ptr, maxBytesToRead) {
 return ptr ? UTF8ArrayToString(HEAPU8, ptr, maxBytesToRead) : "";
}

function stringToUTF8Array(str, heap, outIdx, maxBytesToWrite) {
 if (!(maxBytesToWrite > 0)) return 0;
 var startIdx = outIdx;
 var endIdx = outIdx + maxBytesToWrite - 1;
 for (var i = 0; i < str.length; ++i) {
  var u = str.charCodeAt(i);
  if (u >= 55296 && u <= 57343) {
   var u1 = str.charCodeAt(++i);
   u = 65536 + ((u & 1023) << 10) | u1 & 1023;
  }
  if (u <= 127) {
   if (outIdx >= endIdx) break;
   heap[outIdx++] = u;
  } else if (u <= 2047) {
   if (outIdx + 1 >= endIdx) break;
   heap[outIdx++] = 192 | u >> 6;
   heap[outIdx++] = 128 | u & 63;
  } else if (u <= 65535) {
   if (outIdx + 2 >= endIdx) break;
   heap[outIdx++] = 224 | u >> 12;
   heap[outIdx++] = 128 | u >> 6 & 63;
   heap[outIdx++] = 128 | u & 63;
  } else {
   if (outIdx + 3 >= endIdx) break;
   heap[outIdx++] = 240 | u >> 18;
   heap[outIdx++] = 128 | u >> 12 & 63;
   heap[outIdx++] = 128 | u >> 6 & 63;
   heap[outIdx++] = 128 | u & 63;
  }
 }
 heap[outIdx] = 0;
 return outIdx - startIdx;
}

function stringToUTF8(str, outPtr, maxBytesToWrite) {
 return stringToUTF8Array(str, HEAPU8, outPtr, maxBytesToWrite);
}

function lengthBytesUTF8(str) {
 var len = 0;
 for (var i = 0; i < str.length; ++i) {
  var c = str.charCodeAt(i);
  if (c <= 127) {
   len++;
  } else if (c <= 2047) {
   len += 2;
  } else if (c >= 55296 && c <= 57343) {
   len += 4;
   ++i;
  } else {
   len += 3;
  }
 }
 return len;
}

var buffer, HEAP8, HEAPU8, HEAP16, HEAPU16, HEAP32, HEAPU32, HEAPF32, HEAPF64;

function updateGlobalBufferAndViews(buf) {
 buffer = buf;
 Module["HEAP8"] = HEAP8 = new Int8Array(buf);
 Module["HEAP16"] = HEAP16 = new Int16Array(buf);
 Module["HEAP32"] = HEAP32 = new Int32Array(buf);
 Module["HEAPU8"] = HEAPU8 = new Uint8Array(buf);
 Module["HEAPU16"] = HEAPU16 = new Uint16Array(buf);
 Module["HEAPU32"] = HEAPU32 = new Uint32Array(buf);
 Module["HEAPF32"] = HEAPF32 = new Float32Array(buf);
 Module["HEAPF64"] = HEAPF64 = new Float64Array(buf);
}

var INITIAL_MEMORY = Module["INITIAL_MEMORY"] || 16777216;

var wasmTable;

var __ATPRERUN__ = [];

var __ATINIT__ = [];

var __ATEXIT__ = [];

var __ATPOSTRUN__ = [];

var runtimeInitialized = false;

function keepRuntimeAlive() {
 return noExitRuntime;
}

function preRun() {
 if (Module["preRun"]) {
  if (typeof Module["preRun"] == "function") Module["preRun"] = [ Module["preRun"] ];
  while (Module["preRun"].length) {
   addOnPreRun(Module["preRun"].shift());
  }
 }
 callRuntimeCallbacks(__ATPRERUN__);
}

function initRuntime() {
 runtimeInitialized = true;
 if (!Module["noFSInit"] && !FS.init.initialized) FS.init();
 FS.ignorePermissions = false;
 TTY.init();
 callRuntimeCallbacks(__ATINIT__);
}

function postRun() {
 if (Module["postRun"]) {
  if (typeof Module["postRun"] == "function") Module["postRun"] = [ Module["postRun"] ];
  while (Module["postRun"].length) {
   addOnPostRun(Module["postRun"].shift());
  }
 }
 callRuntimeCallbacks(__ATPOSTRUN__);
}

function addOnPreRun(cb) {
 __ATPRERUN__.unshift(cb);
}

function addOnInit(cb) {
 __ATINIT__.unshift(cb);
}

function addOnPostRun(cb) {
 __ATPOSTRUN__.unshift(cb);
}

var runDependencies = 0;

var runDependencyWatcher = null;

var dependenciesFulfilled = null;

function getUniqueRunDependency(id) {
 return id;
}

function addRunDependency(id) {
 runDependencies++;
 if (Module["monitorRunDependencies"]) {
  Module["monitorRunDependencies"](runDependencies);
 }
}

function removeRunDependency(id) {
 runDependencies--;
 if (Module["monitorRunDependencies"]) {
  Module["monitorRunDependencies"](runDependencies);
 }
 if (runDependencies == 0) {
  if (runDependencyWatcher !== null) {
   clearInterval(runDependencyWatcher);
   runDependencyWatcher = null;
  }
  if (dependenciesFulfilled) {
   var callback = dependenciesFulfilled;
   dependenciesFulfilled = null;
   callback();
  }
 }
}

function abort(what) {
 if (Module["onAbort"]) {
  Module["onAbort"](what);
 }
 what = "Aborted(" + what + ")";
 err(what);
 ABORT = true;
 EXITSTATUS = 1;
 what += ". Build with -sASSERTIONS for more info.";
 var e = new WebAssembly.RuntimeError(what);
 readyPromiseReject(e);
 throw e;
}

var dataURIPrefix = "data:application/octet-stream;base64,";

function isDataURI(filename) {
 return filename.startsWith(dataURIPrefix);
}

function isFileURI(filename) {
 return filename.startsWith("file://");
}

var wasmBinaryFile;

wasmBinaryFile = "talking_heads_v2_blendshapes_internal.wasm";

if (!isDataURI(wasmBinaryFile)) {
 wasmBinaryFile = locateFile(wasmBinaryFile);
}

function getBinary(file) {
 try {
  if (file == wasmBinaryFile && wasmBinary) {
   return new Uint8Array(wasmBinary);
  }
  if (readBinary) {
   return readBinary(file);
  }
  throw "both async and sync fetching of the wasm failed";
 } catch (err) {
  abort(err);
 }
}

function getBinaryPromise() {
 if (!wasmBinary && (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER)) {
  if (typeof fetch == "function" && !isFileURI(wasmBinaryFile)) {
   return fetch(wasmBinaryFile, {
    credentials: "same-origin"
   }).then(function(response) {
    if (!response["ok"]) {
     throw "failed to load wasm binary file at '" + wasmBinaryFile + "'";
    }
    return response["arrayBuffer"]();
   }).catch(function() {
    return getBinary(wasmBinaryFile);
   });
  } else {
   if (readAsync) {
    return new Promise(function(resolve, reject) {
     readAsync(wasmBinaryFile, function(response) {
      resolve(new Uint8Array(response));
     }, reject);
    });
   }
  }
 }
 return Promise.resolve().then(function() {
  return getBinary(wasmBinaryFile);
 });
}

function createWasm() {
 var info = {
  "a": asmLibraryArg
 };
 function receiveInstance(instance, module) {
  var exports = instance.exports;
  Module["asm"] = exports;
  wasmMemory = Module["asm"]["zb"];
  updateGlobalBufferAndViews(wasmMemory.buffer);
  wasmTable = Module["asm"]["Cb"];
  addOnInit(Module["asm"]["Ab"]);
  removeRunDependency("wasm-instantiate");
 }
 addRunDependency("wasm-instantiate");
 function receiveInstantiationResult(result) {
  receiveInstance(result["instance"]);
 }
 function instantiateArrayBuffer(receiver) {
  return getBinaryPromise().then(function(binary) {
   return WebAssembly.instantiate(binary, info);
  }).then(function(instance) {
   return instance;
  }).then(receiver, function(reason) {
   err("failed to asynchronously prepare wasm: " + reason);
   abort(reason);
  });
 }
 function instantiateAsync() {
  if (!wasmBinary && typeof WebAssembly.instantiateStreaming == "function" && !isDataURI(wasmBinaryFile) && !isFileURI(wasmBinaryFile) && !ENVIRONMENT_IS_NODE && typeof fetch == "function") {
   return fetch(wasmBinaryFile, {
    credentials: "same-origin"
   }).then(function(response) {
    var result = WebAssembly.instantiateStreaming(response, info);
    return result.then(receiveInstantiationResult, function(reason) {
     err("wasm streaming compile failed: " + reason);
     err("falling back to ArrayBuffer instantiation");
     return instantiateArrayBuffer(receiveInstantiationResult);
    });
   });
  } else {
   return instantiateArrayBuffer(receiveInstantiationResult);
  }
 }
 if (Module["instantiateWasm"]) {
  try {
   var exports = Module["instantiateWasm"](info, receiveInstance);
   return exports;
  } catch (e) {
   err("Module.instantiateWasm callback failed with error: " + e);
   readyPromiseReject(e);
  }
 }
 instantiateAsync().catch(readyPromiseReject);
 return {};
}

var tempDouble;

var tempI64;

var ASM_CONSTS = {
 612691: $0 => {
  if (typeof Module.EM_DRISHTI_DYN_CALCULATORS === "undefined") {
   console.log("Creating dynamic JS calculator lookup table in contract.");
   Module.EM_DRISHTI_DYN_CALCULATORS = {};
   Module.EM_DRISHTI_DYN_FUNC_CACHE = {};
  }
  Module.EM_DRISHTI_DYN_FUNC_CACHE[$0] = [];
  Module.EM_DRISHTI_DYN_FUNC_CACHE[$0].push(null);
  Module.EM_DRISHTI_DYN_FUNC_CACHE[$0].push(null);
  Module.EM_DRISHTI_DYN_FUNC_CACHE[$0].push(null);
  Module.EM_DRISHTI_DYN_CALCULATORS[$0] = {};
  Module.EM_DRISHTI_DYN_CALCULATORS[$0].setOpen = function(openFcn) {
   Module.EM_DRISHTI_DYN_FUNC_CACHE[$0][0] = openFcn;
  };
  Module.EM_DRISHTI_DYN_CALCULATORS[$0].setProcess = function(processFcn) {
   Module.EM_DRISHTI_DYN_FUNC_CACHE[$0][1] = processFcn;
  };
  Module.EM_DRISHTI_DYN_CALCULATORS[$0].setClose = function(closeFcn) {
   Module.EM_DRISHTI_DYN_FUNC_CACHE[$0][2] = closeFcn;
  };
 },
 613525: ($0, $1) => {
  const __em_drishti_noisy_open_func = function() {
   console.log("Dynamic open called for calculator id: ", $1);
   return true;
  };
  const __em_drishti_true_func = function() {
   return true;
  };
  if (typeof Module.EM_DRISHTI_DYN_FUNC_TABLE === "undefined") {
   console.log("Creating dynamic JS calculator function lookup table.");
   Module.EM_DRISHTI_DYN_FUNC_TABLE = {};
  }
  if (typeof Module.EM_DRISHTI_DYN_FUNC_TABLE[$0] !== "undefined") {
   console.log("Error: duplicate dynamic JS calculator at address: ", $0);
  }
  if (typeof Module.EM_DRISHTI_DYN_CALCULATORS === "undefined") {
   console.log("Creating dynamic JS calculator object lookup table.");
   Module.EM_DRISHTI_DYN_CALCULATORS = {};
  }
  Module.EM_DRISHTI_DYN_CALCULATORS[$1] = {};
  const makeAutoDeleting = function(userCloseFcn) {
   return function() {
    const res = userCloseFcn();
    delete Module.EM_DRISHTI_DYN_FUNC_TABLE[$0];
    delete Module.EM_DRISHTI_DYN_CALCULATORS[$1];
    return res;
   };
  };
  Module.EM_DRISHTI_DYN_FUNC_TABLE[$0] = [];
  Module.EM_DRISHTI_DYN_FUNC_TABLE[$0].push(__em_drishti_noisy_open_func);
  Module.EM_DRISHTI_DYN_FUNC_TABLE[$0].push(__em_drishti_true_func);
  Module.EM_DRISHTI_DYN_FUNC_TABLE[$0].push(makeAutoDeleting(__em_drishti_true_func));
  const newProcessFcn = function(userProcessFcn) {
   const newContext = {};
   newContext["isEmptyStream"] = function(inStreamId) {
    return Module._isEmptyStream($0, inStreamId);
   };
   newContext["routeAnyInputToOutputStream"] = function(inStreamId, outStreamId) {
    Module._routeAnyInputToOutputStream($0, inStreamId, outStreamId);
   };
   newContext["addFloatToStream"] = function(number, streamId) {
    Module._addFloatToStream($0, number, streamId);
   };
   newContext["addIntToStream"] = function(number, streamId) {
    Module._addIntToStream($0, number, streamId);
   };
   newContext["addStringToStream"] = function(string, streamId) {
    const stringPtr = Module.stringToNewUTF8(string);
    Module._addStringToStream($0, stringPtr, streamId);
    Module._free(stringPtr);
   };
   newContext["addFloatVecToStream"] = function(floatArray, streamId) {
    const newVec = Module.__createTempFloatVec();
    for (floatVal of floatArray) {
     Module.__tempFloatVecPush(newVec, floatVal);
    }
    Module._addFloatVecToStream($0, newVec, streamId);
   };
   newContext["getInputTimestamp"] = function() {
    return Module._getInputTimestamp($0);
   };
   newContext["getNumberFromStream"] = function(streamId) {
    return Module._getNumberFromStream($0, streamId);
   };
   newContext["getProtoBytesFromStream"] = function(streamId) {
    const dataPtr = Module.__createProtoDataPointerFromStream($0, streamId);
    const dataSize = Module.__getProtoSizeFromProtoDataPointer(dataPtr);
    const dataBytesPtr = Module.__getProtoBytesFromProtoDataPointer(dataPtr);
    const newProtoArray = Module.HEAPU8.slice(dataBytesPtr, dataBytesPtr + dataSize);
    Module.__freeProtoDataPointer(dataPtr);
    return newProtoArray;
   };
   newContext["addProtoBytesToStream"] = function(uint8Array, protoType, streamId) {
    const newVec = Module.__createTempUint8Vec();
    for (uint8Val of uint8Array) {
     Module.__tempUint8VecPush(newVec, uint8Val);
    }
    const stringPtr = Module.stringToNewUTF8(protoType);
    Module._addProtoBytesToStream($0, newVec, stringPtr, streamId);
    Module._free(stringPtr);
   };
   newContext["addNumberToStream"] = newContext["addFloatToStream"];
   const boundFcn = userProcessFcn.bind(newContext);
   Module.EM_DRISHTI_DYN_FUNC_TABLE[$0][1] = boundFcn;
  };
  Module.EM_DRISHTI_DYN_CALCULATORS[$1].setProcess = newProcessFcn;
  Module.EM_DRISHTI_DYN_CALCULATORS[$1].setOpen = function(newOpenFcn) {
   Module.EM_DRISHTI_DYN_FUNC_TABLE[$0][0] = newOpenFcn;
  };
  Module.EM_DRISHTI_DYN_CALCULATORS[$1].setClose = function(newCloseFcn) {
   Module.EM_DRISHTI_DYN_FUNC_TABLE[$0][2] = makeAutoDeleting(newCloseFcn);
  };
  if (typeof Module.EM_DRISHTI_DYN_FUNC_CACHE !== "undefined") {
   if (typeof Module.EM_DRISHTI_DYN_FUNC_CACHE[$1] !== "undefined") {
    if (typeof Module.EM_DRISHTI_DYN_FUNC_CACHE[$1][0] === "function") {
     Module.EM_DRISHTI_DYN_CALCULATORS[$1].setOpen(Module.EM_DRISHTI_DYN_FUNC_CACHE[$1][0]);
    }
    if (typeof Module.EM_DRISHTI_DYN_FUNC_CACHE[$1][1] === "function") {
     Module.EM_DRISHTI_DYN_CALCULATORS[$1].setProcess(Module.EM_DRISHTI_DYN_FUNC_CACHE[$1][1]);
    }
    if (typeof Module.EM_DRISHTI_DYN_FUNC_CACHE[$1][2] === "function") {
     Module.EM_DRISHTI_DYN_CALCULATORS[$1].setClose(Module.EM_DRISHTI_DYN_FUNC_CACHE[$1][2]);
    }
    delete Module.EM_DRISHTI_DYN_FUNC_CACHE[$1];
   }
  }
 },
 617860: $0 => {
  return Module.EM_DRISHTI_DYN_FUNC_TABLE[$0][0]();
 },
 617914: $0 => {
  return Module.EM_DRISHTI_DYN_FUNC_TABLE[$0][1]();
 },
 617968: $0 => {
  return Module.EM_DRISHTI_DYN_FUNC_TABLE[$0][2]();
 },
 618022: () => {
  specialHTMLTargets["#canvas"] = Module.canvas;
 },
 618073: () => {
  return typeof wasmOffsetConverter !== "undefined";
 }
};

function JsUpdateBlendshape(name, value) {
 Module.updateBlendshape(UTF8ToString(name), value);
}

function JsOnEmptyPacketListener(output_stream_name, timestamp) {
 Module._wrapEmptyPacketListenerOutput(output_stream_name, timestamp);
}

function JsOnVectorFinishedListener(output_stream_name, timestamp) {
 Module._wrapSimpleListenerOutput(output_stream_name, undefined, true, timestamp);
}

function JsOnSimpleListenerBool(output_stream_name, out_data, timestamp) {
 Module._wrapSimpleListenerOutput(output_stream_name, out_data, timestamp);
}

function JsOnVectorListenerBool(output_stream_name, out_data, timestamp) {
 Module._wrapSimpleListenerOutput(output_stream_name, out_data, false, timestamp);
}

function JsOnSimpleListenerInt(output_stream_name, out_data, timestamp) {
 Module._wrapSimpleListenerOutput(output_stream_name, out_data, timestamp);
}

function JsOnVectorListenerInt(output_stream_name, out_data, timestamp) {
 Module._wrapSimpleListenerOutput(output_stream_name, out_data, false, timestamp);
}

function JsOnSimpleListenerDouble(output_stream_name, out_data, timestamp) {
 Module._wrapSimpleListenerOutput(output_stream_name, out_data, timestamp);
}

function JsOnVectorListenerDouble(output_stream_name, out_data, timestamp) {
 Module._wrapSimpleListenerOutput(output_stream_name, out_data, false, timestamp);
}

function JsOnSimpleListenerFloat(output_stream_name, out_data, timestamp) {
 Module._wrapSimpleListenerOutput(output_stream_name, out_data, timestamp);
}

function JsOnVectorListenerFloat(output_stream_name, out_data, timestamp) {
 Module._wrapSimpleListenerOutput(output_stream_name, out_data, false, timestamp);
}

function JsOnSimpleListenerString(output_stream_name, out_data, timestamp) {
 Module._wrapSimpleListenerOutput(output_stream_name, UTF8ToString(out_data), timestamp);
}

function JsOnVectorListenerString(output_stream_name, out_data, timestamp) {
 Module._wrapSimpleListenerOutput(output_stream_name, UTF8ToString(out_data), false, timestamp);
}

function JsOnVectorListenerProto(output_stream_name, proto_ptr, proto_size, make_deep_copy, timestamp) {
 const newProtoArray = make_deep_copy ? Module.HEAPU8.slice(proto_ptr, proto_ptr + proto_size) : new Uint8Array(Module.HEAPU8.buffer, proto_ptr, proto_size);
 Module._wrapSimpleListenerOutput(output_stream_name, newProtoArray, false, timestamp);
}

function JsWrapSimpleListeners() {
 if (!Module._wrapSimpleListenerOutput) {
  Module._wrapSimpleListenerOutput = (outputStreamName, ...args) => {
   if (Module.simpleListeners) {
    const streamName = UTF8ToString(outputStreamName);
    if (Module.simpleListeners[streamName]) {
     Module.simpleListeners[streamName](...args);
    }
   }
  };
 }
 if (!Module._wrapEmptyPacketListenerOutput) {
  Module._wrapEmptyPacketListenerOutput = (outputStreamName, timestamp) => {
   if (Module.emptyPacketListeners) {
    const streamName = UTF8ToString(outputStreamName);
    if (Module.emptyPacketListeners[streamName]) {
     Module.emptyPacketListeners[streamName](timestamp);
    }
   }
  };
 }
}

function JsOnSimpleListenerBinaryArray(output_stream_name, binary_ptr, binary_size, make_deep_copy, timestamp) {
 const newProtoArray = make_deep_copy ? Module.HEAPU8.slice(binary_ptr, binary_ptr + binary_size) : new Uint8Array(Module.HEAPU8.buffer, binary_ptr, binary_size);
 Module._wrapSimpleListenerOutput(output_stream_name, newProtoArray, timestamp);
}

function JsWrapErrorListener(code, message) {
 if (Module.errorListener) {
  const stringMessage = UTF8ToString(message);
  Module.errorListener(code, stringMessage);
 }
}

function eval_string(calcUid, str) {
 const fcns = eval(UTF8ToString(str));
 const cTable = Module.EM_DRISHTI_DYN_CALCULATORS[calcUid];
 if (fcns.open) {
  cTable["setOpen"](fcns.open);
 }
 if (fcns.process) {
  cTable["setProcess"](fcns.process);
 }
 if (fcns.close) {
  cTable["setClose"](fcns.close);
 }
}

function HaveOffsetConverter() {
 return typeof wasmOffsetConverter !== "undefined";
}

function _emscripten_set_main_loop_timing(mode, value) {
 Browser.mainLoop.timingMode = mode;
 Browser.mainLoop.timingValue = value;
 if (!Browser.mainLoop.func) {
  return 1;
 }
 if (!Browser.mainLoop.running) {
  Browser.mainLoop.running = true;
 }
 if (mode == 0) {
  Browser.mainLoop.scheduler = function Browser_mainLoop_scheduler_setTimeout() {
   var timeUntilNextTick = Math.max(0, Browser.mainLoop.tickStartTime + value - _emscripten_get_now()) | 0;
   setTimeout(Browser.mainLoop.runner, timeUntilNextTick);
  };
  Browser.mainLoop.method = "timeout";
 } else if (mode == 1) {
  Browser.mainLoop.scheduler = function Browser_mainLoop_scheduler_rAF() {
   Browser.requestAnimationFrame(Browser.mainLoop.runner);
  };
  Browser.mainLoop.method = "rAF";
 } else if (mode == 2) {
  if (typeof setImmediate == "undefined") {
   var setImmediates = [];
   var emscriptenMainLoopMessageId = "setimmediate";
   var Browser_setImmediate_messageHandler = event => {
    if (event.data === emscriptenMainLoopMessageId || event.data.target === emscriptenMainLoopMessageId) {
     event.stopPropagation();
     setImmediates.shift()();
    }
   };
   addEventListener("message", Browser_setImmediate_messageHandler, true);
   setImmediate = function Browser_emulated_setImmediate(func) {
    setImmediates.push(func);
    if (ENVIRONMENT_IS_WORKER) {
     if (Module["setImmediates"] === undefined) Module["setImmediates"] = [];
     Module["setImmediates"].push(func);
     postMessage({
      target: emscriptenMainLoopMessageId
     });
    } else postMessage(emscriptenMainLoopMessageId, "*");
   };
  }
  Browser.mainLoop.scheduler = function Browser_mainLoop_scheduler_setImmediate() {
   setImmediate(Browser.mainLoop.runner);
  };
  Browser.mainLoop.method = "immediate";
 }
 return 0;
}

var _emscripten_get_now;

if (ENVIRONMENT_IS_NODE) {
 _emscripten_get_now = () => {
  var t = process["hrtime"]();
  return t[0] * 1e3 + t[1] / 1e6;
 };
} else _emscripten_get_now = () => performance.now();

function ExitStatus(status) {
 this.name = "ExitStatus";
 this.message = "Program terminated with exit(" + status + ")";
 this.status = status;
}

var PATH = {
 isAbs: path => path.charAt(0) === "/",
 splitPath: filename => {
  var splitPathRe = /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;
  return splitPathRe.exec(filename).slice(1);
 },
 normalizeArray: (parts, allowAboveRoot) => {
  var up = 0;
  for (var i = parts.length - 1; i >= 0; i--) {
   var last = parts[i];
   if (last === ".") {
    parts.splice(i, 1);
   } else if (last === "..") {
    parts.splice(i, 1);
    up++;
   } else if (up) {
    parts.splice(i, 1);
    up--;
   }
  }
  if (allowAboveRoot) {
   for (;up; up--) {
    parts.unshift("..");
   }
  }
  return parts;
 },
 normalize: path => {
  var isAbsolute = PATH.isAbs(path), trailingSlash = path.substr(-1) === "/";
  path = PATH.normalizeArray(path.split("/").filter(p => !!p), !isAbsolute).join("/");
  if (!path && !isAbsolute) {
   path = ".";
  }
  if (path && trailingSlash) {
   path += "/";
  }
  return (isAbsolute ? "/" : "") + path;
 },
 dirname: path => {
  var result = PATH.splitPath(path), root = result[0], dir = result[1];
  if (!root && !dir) {
   return ".";
  }
  if (dir) {
   dir = dir.substr(0, dir.length - 1);
  }
  return root + dir;
 },
 basename: path => {
  if (path === "/") return "/";
  path = PATH.normalize(path);
  path = path.replace(/\/$/, "");
  var lastSlash = path.lastIndexOf("/");
  if (lastSlash === -1) return path;
  return path.substr(lastSlash + 1);
 },
 join: function() {
  var paths = Array.prototype.slice.call(arguments);
  return PATH.normalize(paths.join("/"));
 },
 join2: (l, r) => {
  return PATH.normalize(l + "/" + r);
 }
};

function getRandomDevice() {
 if (typeof crypto == "object" && typeof crypto["getRandomValues"] == "function") {
  var randomBuffer = new Uint8Array(1);
  return () => {
   crypto.getRandomValues(randomBuffer);
   return randomBuffer[0];
  };
 } else if (ENVIRONMENT_IS_NODE) {
  try {
   var crypto_module = require("crypto");
   return () => crypto_module["randomBytes"](1)[0];
  } catch (e) {}
 }
 return () => abort("randomDevice");
}

var PATH_FS = {
 resolve: function() {
  var resolvedPath = "", resolvedAbsolute = false;
  for (var i = arguments.length - 1; i >= -1 && !resolvedAbsolute; i--) {
   var path = i >= 0 ? arguments[i] : FS.cwd();
   if (typeof path != "string") {
    throw new TypeError("Arguments to path.resolve must be strings");
   } else if (!path) {
    return "";
   }
   resolvedPath = path + "/" + resolvedPath;
   resolvedAbsolute = PATH.isAbs(path);
  }
  resolvedPath = PATH.normalizeArray(resolvedPath.split("/").filter(p => !!p), !resolvedAbsolute).join("/");
  return (resolvedAbsolute ? "/" : "") + resolvedPath || ".";
 },
 relative: (from, to) => {
  from = PATH_FS.resolve(from).substr(1);
  to = PATH_FS.resolve(to).substr(1);
  function trim(arr) {
   var start = 0;
   for (;start < arr.length; start++) {
    if (arr[start] !== "") break;
   }
   var end = arr.length - 1;
   for (;end >= 0; end--) {
    if (arr[end] !== "") break;
   }
   if (start > end) return [];
   return arr.slice(start, end - start + 1);
  }
  var fromParts = trim(from.split("/"));
  var toParts = trim(to.split("/"));
  var length = Math.min(fromParts.length, toParts.length);
  var samePartsLength = length;
  for (var i = 0; i < length; i++) {
   if (fromParts[i] !== toParts[i]) {
    samePartsLength = i;
    break;
   }
  }
  var outputParts = [];
  for (var i = samePartsLength; i < fromParts.length; i++) {
   outputParts.push("..");
  }
  outputParts = outputParts.concat(toParts.slice(samePartsLength));
  return outputParts.join("/");
 }
};

function intArrayFromString(stringy, dontAddNull, length) {
 var len = length > 0 ? length : lengthBytesUTF8(stringy) + 1;
 var u8array = new Array(len);
 var numBytesWritten = stringToUTF8Array(stringy, u8array, 0, u8array.length);
 if (dontAddNull) u8array.length = numBytesWritten;
 return u8array;
}

var TTY = {
 ttys: [],
 init: function() {},
 shutdown: function() {},
 register: function(dev, ops) {
  TTY.ttys[dev] = {
   input: [],
   output: [],
   ops: ops
  };
  FS.registerDevice(dev, TTY.stream_ops);
 },
 stream_ops: {
  open: function(stream) {
   var tty = TTY.ttys[stream.node.rdev];
   if (!tty) {
    throw new FS.ErrnoError(43);
   }
   stream.tty = tty;
   stream.seekable = false;
  },
  close: function(stream) {
   stream.tty.ops.fsync(stream.tty);
  },
  fsync: function(stream) {
   stream.tty.ops.fsync(stream.tty);
  },
  read: function(stream, buffer, offset, length, pos) {
   if (!stream.tty || !stream.tty.ops.get_char) {
    throw new FS.ErrnoError(60);
   }
   var bytesRead = 0;
   for (var i = 0; i < length; i++) {
    var result;
    try {
     result = stream.tty.ops.get_char(stream.tty);
    } catch (e) {
     throw new FS.ErrnoError(29);
    }
    if (result === undefined && bytesRead === 0) {
     throw new FS.ErrnoError(6);
    }
    if (result === null || result === undefined) break;
    bytesRead++;
    buffer[offset + i] = result;
   }
   if (bytesRead) {
    stream.node.timestamp = Date.now();
   }
   return bytesRead;
  },
  write: function(stream, buffer, offset, length, pos) {
   if (!stream.tty || !stream.tty.ops.put_char) {
    throw new FS.ErrnoError(60);
   }
   try {
    for (var i = 0; i < length; i++) {
     stream.tty.ops.put_char(stream.tty, buffer[offset + i]);
    }
   } catch (e) {
    throw new FS.ErrnoError(29);
   }
   if (length) {
    stream.node.timestamp = Date.now();
   }
   return i;
  }
 },
 default_tty_ops: {
  get_char: function(tty) {
   if (!tty.input.length) {
    var result = null;
    if (ENVIRONMENT_IS_NODE) {
     var BUFSIZE = 256;
     var buf = Buffer.alloc(BUFSIZE);
     var bytesRead = 0;
     try {
      bytesRead = fs.readSync(process.stdin.fd, buf, 0, BUFSIZE, -1);
     } catch (e) {
      if (e.toString().includes("EOF")) bytesRead = 0; else throw e;
     }
     if (bytesRead > 0) {
      result = buf.slice(0, bytesRead).toString("utf-8");
     } else {
      result = null;
     }
    } else if (typeof window != "undefined" && typeof window.prompt == "function") {
     result = window.prompt("Input: ");
     if (result !== null) {
      result += "\n";
     }
    } else if (typeof readline == "function") {
     result = readline();
     if (result !== null) {
      result += "\n";
     }
    }
    if (!result) {
     return null;
    }
    tty.input = intArrayFromString(result, true);
   }
   return tty.input.shift();
  },
  put_char: function(tty, val) {
   if (val === null || val === 10) {
    out(UTF8ArrayToString(tty.output, 0));
    tty.output = [];
   } else {
    if (val != 0) tty.output.push(val);
   }
  },
  fsync: function(tty) {
   if (tty.output && tty.output.length > 0) {
    out(UTF8ArrayToString(tty.output, 0));
    tty.output = [];
   }
  }
 },
 default_tty1_ops: {
  put_char: function(tty, val) {
   if (val === null || val === 10) {
    err(UTF8ArrayToString(tty.output, 0));
    tty.output = [];
   } else {
    if (val != 0) tty.output.push(val);
   }
  },
  fsync: function(tty) {
   if (tty.output && tty.output.length > 0) {
    err(UTF8ArrayToString(tty.output, 0));
    tty.output = [];
   }
  }
 }
};

function zeroMemory(address, size) {
 HEAPU8.fill(0, address, address + size);
 return address;
}

function alignMemory(size, alignment) {
 return Math.ceil(size / alignment) * alignment;
}

function mmapAlloc(size) {
 size = alignMemory(size, 65536);
 var ptr = _emscripten_builtin_memalign(65536, size);
 if (!ptr) return 0;
 return zeroMemory(ptr, size);
}

var MEMFS = {
 ops_table: null,
 mount: function(mount) {
  return MEMFS.createNode(null, "/", 16384 | 511, 0);
 },
 createNode: function(parent, name, mode, dev) {
  if (FS.isBlkdev(mode) || FS.isFIFO(mode)) {
   throw new FS.ErrnoError(63);
  }
  if (!MEMFS.ops_table) {
   MEMFS.ops_table = {
    dir: {
     node: {
      getattr: MEMFS.node_ops.getattr,
      setattr: MEMFS.node_ops.setattr,
      lookup: MEMFS.node_ops.lookup,
      mknod: MEMFS.node_ops.mknod,
      rename: MEMFS.node_ops.rename,
      unlink: MEMFS.node_ops.unlink,
      rmdir: MEMFS.node_ops.rmdir,
      readdir: MEMFS.node_ops.readdir,
      symlink: MEMFS.node_ops.symlink
     },
     stream: {
      llseek: MEMFS.stream_ops.llseek
     }
    },
    file: {
     node: {
      getattr: MEMFS.node_ops.getattr,
      setattr: MEMFS.node_ops.setattr
     },
     stream: {
      llseek: MEMFS.stream_ops.llseek,
      read: MEMFS.stream_ops.read,
      write: MEMFS.stream_ops.write,
      allocate: MEMFS.stream_ops.allocate,
      mmap: MEMFS.stream_ops.mmap,
      msync: MEMFS.stream_ops.msync
     }
    },
    link: {
     node: {
      getattr: MEMFS.node_ops.getattr,
      setattr: MEMFS.node_ops.setattr,
      readlink: MEMFS.node_ops.readlink
     },
     stream: {}
    },
    chrdev: {
     node: {
      getattr: MEMFS.node_ops.getattr,
      setattr: MEMFS.node_ops.setattr
     },
     stream: FS.chrdev_stream_ops
    }
   };
  }
  var node = FS.createNode(parent, name, mode, dev);
  if (FS.isDir(node.mode)) {
   node.node_ops = MEMFS.ops_table.dir.node;
   node.stream_ops = MEMFS.ops_table.dir.stream;
   node.contents = {};
  } else if (FS.isFile(node.mode)) {
   node.node_ops = MEMFS.ops_table.file.node;
   node.stream_ops = MEMFS.ops_table.file.stream;
   node.usedBytes = 0;
   node.contents = null;
  } else if (FS.isLink(node.mode)) {
   node.node_ops = MEMFS.ops_table.link.node;
   node.stream_ops = MEMFS.ops_table.link.stream;
  } else if (FS.isChrdev(node.mode)) {
   node.node_ops = MEMFS.ops_table.chrdev.node;
   node.stream_ops = MEMFS.ops_table.chrdev.stream;
  }
  node.timestamp = Date.now();
  if (parent) {
   parent.contents[name] = node;
   parent.timestamp = node.timestamp;
  }
  return node;
 },
 getFileDataAsTypedArray: function(node) {
  if (!node.contents) return new Uint8Array(0);
  if (node.contents.subarray) return node.contents.subarray(0, node.usedBytes);
  return new Uint8Array(node.contents);
 },
 expandFileStorage: function(node, newCapacity) {
  var prevCapacity = node.contents ? node.contents.length : 0;
  if (prevCapacity >= newCapacity) return;
  var CAPACITY_DOUBLING_MAX = 1024 * 1024;
  newCapacity = Math.max(newCapacity, prevCapacity * (prevCapacity < CAPACITY_DOUBLING_MAX ? 2 : 1.125) >>> 0);
  if (prevCapacity != 0) newCapacity = Math.max(newCapacity, 256);
  var oldContents = node.contents;
  node.contents = new Uint8Array(newCapacity);
  if (node.usedBytes > 0) node.contents.set(oldContents.subarray(0, node.usedBytes), 0);
 },
 resizeFileStorage: function(node, newSize) {
  if (node.usedBytes == newSize) return;
  if (newSize == 0) {
   node.contents = null;
   node.usedBytes = 0;
  } else {
   var oldContents = node.contents;
   node.contents = new Uint8Array(newSize);
   if (oldContents) {
    node.contents.set(oldContents.subarray(0, Math.min(newSize, node.usedBytes)));
   }
   node.usedBytes = newSize;
  }
 },
 node_ops: {
  getattr: function(node) {
   var attr = {};
   attr.dev = FS.isChrdev(node.mode) ? node.id : 1;
   attr.ino = node.id;
   attr.mode = node.mode;
   attr.nlink = 1;
   attr.uid = 0;
   attr.gid = 0;
   attr.rdev = node.rdev;
   if (FS.isDir(node.mode)) {
    attr.size = 4096;
   } else if (FS.isFile(node.mode)) {
    attr.size = node.usedBytes;
   } else if (FS.isLink(node.mode)) {
    attr.size = node.link.length;
   } else {
    attr.size = 0;
   }
   attr.atime = new Date(node.timestamp);
   attr.mtime = new Date(node.timestamp);
   attr.ctime = new Date(node.timestamp);
   attr.blksize = 4096;
   attr.blocks = Math.ceil(attr.size / attr.blksize);
   return attr;
  },
  setattr: function(node, attr) {
   if (attr.mode !== undefined) {
    node.mode = attr.mode;
   }
   if (attr.timestamp !== undefined) {
    node.timestamp = attr.timestamp;
   }
   if (attr.size !== undefined) {
    MEMFS.resizeFileStorage(node, attr.size);
   }
  },
  lookup: function(parent, name) {
   throw FS.genericErrors[44];
  },
  mknod: function(parent, name, mode, dev) {
   return MEMFS.createNode(parent, name, mode, dev);
  },
  rename: function(old_node, new_dir, new_name) {
   if (FS.isDir(old_node.mode)) {
    var new_node;
    try {
     new_node = FS.lookupNode(new_dir, new_name);
    } catch (e) {}
    if (new_node) {
     for (var i in new_node.contents) {
      throw new FS.ErrnoError(55);
     }
    }
   }
   delete old_node.parent.contents[old_node.name];
   old_node.parent.timestamp = Date.now();
   old_node.name = new_name;
   new_dir.contents[new_name] = old_node;
   new_dir.timestamp = old_node.parent.timestamp;
   old_node.parent = new_dir;
  },
  unlink: function(parent, name) {
   delete parent.contents[name];
   parent.timestamp = Date.now();
  },
  rmdir: function(parent, name) {
   var node = FS.lookupNode(parent, name);
   for (var i in node.contents) {
    throw new FS.ErrnoError(55);
   }
   delete parent.contents[name];
   parent.timestamp = Date.now();
  },
  readdir: function(node) {
   var entries = [ ".", ".." ];
   for (var key in node.contents) {
    if (!node.contents.hasOwnProperty(key)) {
     continue;
    }
    entries.push(key);
   }
   return entries;
  },
  symlink: function(parent, newname, oldpath) {
   var node = MEMFS.createNode(parent, newname, 511 | 40960, 0);
   node.link = oldpath;
   return node;
  },
  readlink: function(node) {
   if (!FS.isLink(node.mode)) {
    throw new FS.ErrnoError(28);
   }
   return node.link;
  }
 },
 stream_ops: {
  read: function(stream, buffer, offset, length, position) {
   var contents = stream.node.contents;
   if (position >= stream.node.usedBytes) return 0;
   var size = Math.min(stream.node.usedBytes - position, length);
   if (size > 8 && contents.subarray) {
    buffer.set(contents.subarray(position, position + size), offset);
   } else {
    for (var i = 0; i < size; i++) buffer[offset + i] = contents[position + i];
   }
   return size;
  },
  write: function(stream, buffer, offset, length, position, canOwn) {
   if (buffer.buffer === HEAP8.buffer) {
    canOwn = false;
   }
   if (!length) return 0;
   var node = stream.node;
   node.timestamp = Date.now();
   if (buffer.subarray && (!node.contents || node.contents.subarray)) {
    if (canOwn) {
     node.contents = buffer.subarray(offset, offset + length);
     node.usedBytes = length;
     return length;
    } else if (node.usedBytes === 0 && position === 0) {
     node.contents = buffer.slice(offset, offset + length);
     node.usedBytes = length;
     return length;
    } else if (position + length <= node.usedBytes) {
     node.contents.set(buffer.subarray(offset, offset + length), position);
     return length;
    }
   }
   MEMFS.expandFileStorage(node, position + length);
   if (node.contents.subarray && buffer.subarray) {
    node.contents.set(buffer.subarray(offset, offset + length), position);
   } else {
    for (var i = 0; i < length; i++) {
     node.contents[position + i] = buffer[offset + i];
    }
   }
   node.usedBytes = Math.max(node.usedBytes, position + length);
   return length;
  },
  llseek: function(stream, offset, whence) {
   var position = offset;
   if (whence === 1) {
    position += stream.position;
   } else if (whence === 2) {
    if (FS.isFile(stream.node.mode)) {
     position += stream.node.usedBytes;
    }
   }
   if (position < 0) {
    throw new FS.ErrnoError(28);
   }
   return position;
  },
  allocate: function(stream, offset, length) {
   MEMFS.expandFileStorage(stream.node, offset + length);
   stream.node.usedBytes = Math.max(stream.node.usedBytes, offset + length);
  },
  mmap: function(stream, length, position, prot, flags) {
   if (!FS.isFile(stream.node.mode)) {
    throw new FS.ErrnoError(43);
   }
   var ptr;
   var allocated;
   var contents = stream.node.contents;
   if (!(flags & 2) && contents.buffer === buffer) {
    allocated = false;
    ptr = contents.byteOffset;
   } else {
    if (position > 0 || position + length < contents.length) {
     if (contents.subarray) {
      contents = contents.subarray(position, position + length);
     } else {
      contents = Array.prototype.slice.call(contents, position, position + length);
     }
    }
    allocated = true;
    ptr = mmapAlloc(length);
    if (!ptr) {
     throw new FS.ErrnoError(48);
    }
    HEAP8.set(contents, ptr);
   }
   return {
    ptr: ptr,
    allocated: allocated
   };
  },
  msync: function(stream, buffer, offset, length, mmapFlags) {
   MEMFS.stream_ops.write(stream, buffer, 0, length, offset, false);
   return 0;
  }
 }
};

function asyncLoad(url, onload, onerror, noRunDep) {
 var dep = !noRunDep ? getUniqueRunDependency("al " + url) : "";
 readAsync(url, arrayBuffer => {
  assert(arrayBuffer, 'Loading data file "' + url + '" failed (no arrayBuffer).');
  onload(new Uint8Array(arrayBuffer));
  if (dep) removeRunDependency(dep);
 }, event => {
  if (onerror) {
   onerror();
  } else {
   throw 'Loading data file "' + url + '" failed.';
  }
 });
 if (dep) addRunDependency(dep);
}

var FS = {
 root: null,
 mounts: [],
 devices: {},
 streams: [],
 nextInode: 1,
 nameTable: null,
 currentPath: "/",
 initialized: false,
 ignorePermissions: true,
 ErrnoError: null,
 genericErrors: {},
 filesystems: null,
 syncFSRequests: 0,
 lookupPath: (path, opts = {}) => {
  path = PATH_FS.resolve(path);
  if (!path) return {
   path: "",
   node: null
  };
  var defaults = {
   follow_mount: true,
   recurse_count: 0
  };
  opts = Object.assign(defaults, opts);
  if (opts.recurse_count > 8) {
   throw new FS.ErrnoError(32);
  }
  var parts = path.split("/").filter(p => !!p);
  var current = FS.root;
  var current_path = "/";
  for (var i = 0; i < parts.length; i++) {
   var islast = i === parts.length - 1;
   if (islast && opts.parent) {
    break;
   }
   current = FS.lookupNode(current, parts[i]);
   current_path = PATH.join2(current_path, parts[i]);
   if (FS.isMountpoint(current)) {
    if (!islast || islast && opts.follow_mount) {
     current = current.mounted.root;
    }
   }
   if (!islast || opts.follow) {
    var count = 0;
    while (FS.isLink(current.mode)) {
     var link = FS.readlink(current_path);
     current_path = PATH_FS.resolve(PATH.dirname(current_path), link);
     var lookup = FS.lookupPath(current_path, {
      recurse_count: opts.recurse_count + 1
     });
     current = lookup.node;
     if (count++ > 40) {
      throw new FS.ErrnoError(32);
     }
    }
   }
  }
  return {
   path: current_path,
   node: current
  };
 },
 getPath: node => {
  var path;
  while (true) {
   if (FS.isRoot(node)) {
    var mount = node.mount.mountpoint;
    if (!path) return mount;
    return mount[mount.length - 1] !== "/" ? mount + "/" + path : mount + path;
   }
   path = path ? node.name + "/" + path : node.name;
   node = node.parent;
  }
 },
 hashName: (parentid, name) => {
  var hash = 0;
  for (var i = 0; i < name.length; i++) {
   hash = (hash << 5) - hash + name.charCodeAt(i) | 0;
  }
  return (parentid + hash >>> 0) % FS.nameTable.length;
 },
 hashAddNode: node => {
  var hash = FS.hashName(node.parent.id, node.name);
  node.name_next = FS.nameTable[hash];
  FS.nameTable[hash] = node;
 },
 hashRemoveNode: node => {
  var hash = FS.hashName(node.parent.id, node.name);
  if (FS.nameTable[hash] === node) {
   FS.nameTable[hash] = node.name_next;
  } else {
   var current = FS.nameTable[hash];
   while (current) {
    if (current.name_next === node) {
     current.name_next = node.name_next;
     break;
    }
    current = current.name_next;
   }
  }
 },
 lookupNode: (parent, name) => {
  var errCode = FS.mayLookup(parent);
  if (errCode) {
   throw new FS.ErrnoError(errCode, parent);
  }
  var hash = FS.hashName(parent.id, name);
  for (var node = FS.nameTable[hash]; node; node = node.name_next) {
   var nodeName = node.name;
   if (node.parent.id === parent.id && nodeName === name) {
    return node;
   }
  }
  return FS.lookup(parent, name);
 },
 createNode: (parent, name, mode, rdev) => {
  var node = new FS.FSNode(parent, name, mode, rdev);
  FS.hashAddNode(node);
  return node;
 },
 destroyNode: node => {
  FS.hashRemoveNode(node);
 },
 isRoot: node => {
  return node === node.parent;
 },
 isMountpoint: node => {
  return !!node.mounted;
 },
 isFile: mode => {
  return (mode & 61440) === 32768;
 },
 isDir: mode => {
  return (mode & 61440) === 16384;
 },
 isLink: mode => {
  return (mode & 61440) === 40960;
 },
 isChrdev: mode => {
  return (mode & 61440) === 8192;
 },
 isBlkdev: mode => {
  return (mode & 61440) === 24576;
 },
 isFIFO: mode => {
  return (mode & 61440) === 4096;
 },
 isSocket: mode => {
  return (mode & 49152) === 49152;
 },
 flagModes: {
  "r": 0,
  "r+": 2,
  "w": 577,
  "w+": 578,
  "a": 1089,
  "a+": 1090
 },
 modeStringToFlags: str => {
  var flags = FS.flagModes[str];
  if (typeof flags == "undefined") {
   throw new Error("Unknown file open mode: " + str);
  }
  return flags;
 },
 flagsToPermissionString: flag => {
  var perms = [ "r", "w", "rw" ][flag & 3];
  if (flag & 512) {
   perms += "w";
  }
  return perms;
 },
 nodePermissions: (node, perms) => {
  if (FS.ignorePermissions) {
   return 0;
  }
  if (perms.includes("r") && !(node.mode & 292)) {
   return 2;
  } else if (perms.includes("w") && !(node.mode & 146)) {
   return 2;
  } else if (perms.includes("x") && !(node.mode & 73)) {
   return 2;
  }
  return 0;
 },
 mayLookup: dir => {
  var errCode = FS.nodePermissions(dir, "x");
  if (errCode) return errCode;
  if (!dir.node_ops.lookup) return 2;
  return 0;
 },
 mayCreate: (dir, name) => {
  try {
   var node = FS.lookupNode(dir, name);
   return 20;
  } catch (e) {}
  return FS.nodePermissions(dir, "wx");
 },
 mayDelete: (dir, name, isdir) => {
  var node;
  try {
   node = FS.lookupNode(dir, name);
  } catch (e) {
   return e.errno;
  }
  var errCode = FS.nodePermissions(dir, "wx");
  if (errCode) {
   return errCode;
  }
  if (isdir) {
   if (!FS.isDir(node.mode)) {
    return 54;
   }
   if (FS.isRoot(node) || FS.getPath(node) === FS.cwd()) {
    return 10;
   }
  } else {
   if (FS.isDir(node.mode)) {
    return 31;
   }
  }
  return 0;
 },
 mayOpen: (node, flags) => {
  if (!node) {
   return 44;
  }
  if (FS.isLink(node.mode)) {
   return 32;
  } else if (FS.isDir(node.mode)) {
   if (FS.flagsToPermissionString(flags) !== "r" || flags & 512) {
    return 31;
   }
  }
  return FS.nodePermissions(node, FS.flagsToPermissionString(flags));
 },
 MAX_OPEN_FDS: 4096,
 nextfd: (fd_start = 0, fd_end = FS.MAX_OPEN_FDS) => {
  for (var fd = fd_start; fd <= fd_end; fd++) {
   if (!FS.streams[fd]) {
    return fd;
   }
  }
  throw new FS.ErrnoError(33);
 },
 getStream: fd => FS.streams[fd],
 createStream: (stream, fd_start, fd_end) => {
  if (!FS.FSStream) {
   FS.FSStream = function() {
    this.shared = {};
   };
   FS.FSStream.prototype = {};
   Object.defineProperties(FS.FSStream.prototype, {
    object: {
     get: function() {
      return this.node;
     },
     set: function(val) {
      this.node = val;
     }
    },
    isRead: {
     get: function() {
      return (this.flags & 2097155) !== 1;
     }
    },
    isWrite: {
     get: function() {
      return (this.flags & 2097155) !== 0;
     }
    },
    isAppend: {
     get: function() {
      return this.flags & 1024;
     }
    },
    flags: {
     get: function() {
      return this.shared.flags;
     },
     set: function(val) {
      this.shared.flags = val;
     }
    },
    position: {
     get: function() {
      return this.shared.position;
     },
     set: function(val) {
      this.shared.position = val;
     }
    }
   });
  }
  stream = Object.assign(new FS.FSStream(), stream);
  var fd = FS.nextfd(fd_start, fd_end);
  stream.fd = fd;
  FS.streams[fd] = stream;
  return stream;
 },
 closeStream: fd => {
  FS.streams[fd] = null;
 },
 chrdev_stream_ops: {
  open: stream => {
   var device = FS.getDevice(stream.node.rdev);
   stream.stream_ops = device.stream_ops;
   if (stream.stream_ops.open) {
    stream.stream_ops.open(stream);
   }
  },
  llseek: () => {
   throw new FS.ErrnoError(70);
  }
 },
 major: dev => dev >> 8,
 minor: dev => dev & 255,
 makedev: (ma, mi) => ma << 8 | mi,
 registerDevice: (dev, ops) => {
  FS.devices[dev] = {
   stream_ops: ops
  };
 },
 getDevice: dev => FS.devices[dev],
 getMounts: mount => {
  var mounts = [];
  var check = [ mount ];
  while (check.length) {
   var m = check.pop();
   mounts.push(m);
   check.push.apply(check, m.mounts);
  }
  return mounts;
 },
 syncfs: (populate, callback) => {
  if (typeof populate == "function") {
   callback = populate;
   populate = false;
  }
  FS.syncFSRequests++;
  if (FS.syncFSRequests > 1) {
   err("warning: " + FS.syncFSRequests + " FS.syncfs operations in flight at once, probably just doing extra work");
  }
  var mounts = FS.getMounts(FS.root.mount);
  var completed = 0;
  function doCallback(errCode) {
   FS.syncFSRequests--;
   return callback(errCode);
  }
  function done(errCode) {
   if (errCode) {
    if (!done.errored) {
     done.errored = true;
     return doCallback(errCode);
    }
    return;
   }
   if (++completed >= mounts.length) {
    doCallback(null);
   }
  }
  mounts.forEach(mount => {
   if (!mount.type.syncfs) {
    return done(null);
   }
   mount.type.syncfs(mount, populate, done);
  });
 },
 mount: (type, opts, mountpoint) => {
  var root = mountpoint === "/";
  var pseudo = !mountpoint;
  var node;
  if (root && FS.root) {
   throw new FS.ErrnoError(10);
  } else if (!root && !pseudo) {
   var lookup = FS.lookupPath(mountpoint, {
    follow_mount: false
   });
   mountpoint = lookup.path;
   node = lookup.node;
   if (FS.isMountpoint(node)) {
    throw new FS.ErrnoError(10);
   }
   if (!FS.isDir(node.mode)) {
    throw new FS.ErrnoError(54);
   }
  }
  var mount = {
   type: type,
   opts: opts,
   mountpoint: mountpoint,
   mounts: []
  };
  var mountRoot = type.mount(mount);
  mountRoot.mount = mount;
  mount.root = mountRoot;
  if (root) {
   FS.root = mountRoot;
  } else if (node) {
   node.mounted = mount;
   if (node.mount) {
    node.mount.mounts.push(mount);
   }
  }
  return mountRoot;
 },
 unmount: mountpoint => {
  var lookup = FS.lookupPath(mountpoint, {
   follow_mount: false
  });
  if (!FS.isMountpoint(lookup.node)) {
   throw new FS.ErrnoError(28);
  }
  var node = lookup.node;
  var mount = node.mounted;
  var mounts = FS.getMounts(mount);
  Object.keys(FS.nameTable).forEach(hash => {
   var current = FS.nameTable[hash];
   while (current) {
    var next = current.name_next;
    if (mounts.includes(current.mount)) {
     FS.destroyNode(current);
    }
    current = next;
   }
  });
  node.mounted = null;
  var idx = node.mount.mounts.indexOf(mount);
  node.mount.mounts.splice(idx, 1);
 },
 lookup: (parent, name) => {
  return parent.node_ops.lookup(parent, name);
 },
 mknod: (path, mode, dev) => {
  var lookup = FS.lookupPath(path, {
   parent: true
  });
  var parent = lookup.node;
  var name = PATH.basename(path);
  if (!name || name === "." || name === "..") {
   throw new FS.ErrnoError(28);
  }
  var errCode = FS.mayCreate(parent, name);
  if (errCode) {
   throw new FS.ErrnoError(errCode);
  }
  if (!parent.node_ops.mknod) {
   throw new FS.ErrnoError(63);
  }
  return parent.node_ops.mknod(parent, name, mode, dev);
 },
 create: (path, mode) => {
  mode = mode !== undefined ? mode : 438;
  mode &= 4095;
  mode |= 32768;
  return FS.mknod(path, mode, 0);
 },
 mkdir: (path, mode) => {
  mode = mode !== undefined ? mode : 511;
  mode &= 511 | 512;
  mode |= 16384;
  return FS.mknod(path, mode, 0);
 },
 mkdirTree: (path, mode) => {
  var dirs = path.split("/");
  var d = "";
  for (var i = 0; i < dirs.length; ++i) {
   if (!dirs[i]) continue;
   d += "/" + dirs[i];
   try {
    FS.mkdir(d, mode);
   } catch (e) {
    if (e.errno != 20) throw e;
   }
  }
 },
 mkdev: (path, mode, dev) => {
  if (typeof dev == "undefined") {
   dev = mode;
   mode = 438;
  }
  mode |= 8192;
  return FS.mknod(path, mode, dev);
 },
 symlink: (oldpath, newpath) => {
  if (!PATH_FS.resolve(oldpath)) {
   throw new FS.ErrnoError(44);
  }
  var lookup = FS.lookupPath(newpath, {
   parent: true
  });
  var parent = lookup.node;
  if (!parent) {
   throw new FS.ErrnoError(44);
  }
  var newname = PATH.basename(newpath);
  var errCode = FS.mayCreate(parent, newname);
  if (errCode) {
   throw new FS.ErrnoError(errCode);
  }
  if (!parent.node_ops.symlink) {
   throw new FS.ErrnoError(63);
  }
  return parent.node_ops.symlink(parent, newname, oldpath);
 },
 rename: (old_path, new_path) => {
  var old_dirname = PATH.dirname(old_path);
  var new_dirname = PATH.dirname(new_path);
  var old_name = PATH.basename(old_path);
  var new_name = PATH.basename(new_path);
  var lookup, old_dir, new_dir;
  lookup = FS.lookupPath(old_path, {
   parent: true
  });
  old_dir = lookup.node;
  lookup = FS.lookupPath(new_path, {
   parent: true
  });
  new_dir = lookup.node;
  if (!old_dir || !new_dir) throw new FS.ErrnoError(44);
  if (old_dir.mount !== new_dir.mount) {
   throw new FS.ErrnoError(75);
  }
  var old_node = FS.lookupNode(old_dir, old_name);
  var relative = PATH_FS.relative(old_path, new_dirname);
  if (relative.charAt(0) !== ".") {
   throw new FS.ErrnoError(28);
  }
  relative = PATH_FS.relative(new_path, old_dirname);
  if (relative.charAt(0) !== ".") {
   throw new FS.ErrnoError(55);
  }
  var new_node;
  try {
   new_node = FS.lookupNode(new_dir, new_name);
  } catch (e) {}
  if (old_node === new_node) {
   return;
  }
  var isdir = FS.isDir(old_node.mode);
  var errCode = FS.mayDelete(old_dir, old_name, isdir);
  if (errCode) {
   throw new FS.ErrnoError(errCode);
  }
  errCode = new_node ? FS.mayDelete(new_dir, new_name, isdir) : FS.mayCreate(new_dir, new_name);
  if (errCode) {
   throw new FS.ErrnoError(errCode);
  }
  if (!old_dir.node_ops.rename) {
   throw new FS.ErrnoError(63);
  }
  if (FS.isMountpoint(old_node) || new_node && FS.isMountpoint(new_node)) {
   throw new FS.ErrnoError(10);
  }
  if (new_dir !== old_dir) {
   errCode = FS.nodePermissions(old_dir, "w");
   if (errCode) {
    throw new FS.ErrnoError(errCode);
   }
  }
  FS.hashRemoveNode(old_node);
  try {
   old_dir.node_ops.rename(old_node, new_dir, new_name);
  } catch (e) {
   throw e;
  } finally {
   FS.hashAddNode(old_node);
  }
 },
 rmdir: path => {
  var lookup = FS.lookupPath(path, {
   parent: true
  });
  var parent = lookup.node;
  var name = PATH.basename(path);
  var node = FS.lookupNode(parent, name);
  var errCode = FS.mayDelete(parent, name, true);
  if (errCode) {
   throw new FS.ErrnoError(errCode);
  }
  if (!parent.node_ops.rmdir) {
   throw new FS.ErrnoError(63);
  }
  if (FS.isMountpoint(node)) {
   throw new FS.ErrnoError(10);
  }
  parent.node_ops.rmdir(parent, name);
  FS.destroyNode(node);
 },
 readdir: path => {
  var lookup = FS.lookupPath(path, {
   follow: true
  });
  var node = lookup.node;
  if (!node.node_ops.readdir) {
   throw new FS.ErrnoError(54);
  }
  return node.node_ops.readdir(node);
 },
 unlink: path => {
  var lookup = FS.lookupPath(path, {
   parent: true
  });
  var parent = lookup.node;
  if (!parent) {
   throw new FS.ErrnoError(44);
  }
  var name = PATH.basename(path);
  var node = FS.lookupNode(parent, name);
  var errCode = FS.mayDelete(parent, name, false);
  if (errCode) {
   throw new FS.ErrnoError(errCode);
  }
  if (!parent.node_ops.unlink) {
   throw new FS.ErrnoError(63);
  }
  if (FS.isMountpoint(node)) {
   throw new FS.ErrnoError(10);
  }
  parent.node_ops.unlink(parent, name);
  FS.destroyNode(node);
 },
 readlink: path => {
  var lookup = FS.lookupPath(path);
  var link = lookup.node;
  if (!link) {
   throw new FS.ErrnoError(44);
  }
  if (!link.node_ops.readlink) {
   throw new FS.ErrnoError(28);
  }
  return PATH_FS.resolve(FS.getPath(link.parent), link.node_ops.readlink(link));
 },
 stat: (path, dontFollow) => {
  var lookup = FS.lookupPath(path, {
   follow: !dontFollow
  });
  var node = lookup.node;
  if (!node) {
   throw new FS.ErrnoError(44);
  }
  if (!node.node_ops.getattr) {
   throw new FS.ErrnoError(63);
  }
  return node.node_ops.getattr(node);
 },
 lstat: path => {
  return FS.stat(path, true);
 },
 chmod: (path, mode, dontFollow) => {
  var node;
  if (typeof path == "string") {
   var lookup = FS.lookupPath(path, {
    follow: !dontFollow
   });
   node = lookup.node;
  } else {
   node = path;
  }
  if (!node.node_ops.setattr) {
   throw new FS.ErrnoError(63);
  }
  node.node_ops.setattr(node, {
   mode: mode & 4095 | node.mode & ~4095,
   timestamp: Date.now()
  });
 },
 lchmod: (path, mode) => {
  FS.chmod(path, mode, true);
 },
 fchmod: (fd, mode) => {
  var stream = FS.getStream(fd);
  if (!stream) {
   throw new FS.ErrnoError(8);
  }
  FS.chmod(stream.node, mode);
 },
 chown: (path, uid, gid, dontFollow) => {
  var node;
  if (typeof path == "string") {
   var lookup = FS.lookupPath(path, {
    follow: !dontFollow
   });
   node = lookup.node;
  } else {
   node = path;
  }
  if (!node.node_ops.setattr) {
   throw new FS.ErrnoError(63);
  }
  node.node_ops.setattr(node, {
   timestamp: Date.now()
  });
 },
 lchown: (path, uid, gid) => {
  FS.chown(path, uid, gid, true);
 },
 fchown: (fd, uid, gid) => {
  var stream = FS.getStream(fd);
  if (!stream) {
   throw new FS.ErrnoError(8);
  }
  FS.chown(stream.node, uid, gid);
 },
 truncate: (path, len) => {
  if (len < 0) {
   throw new FS.ErrnoError(28);
  }
  var node;
  if (typeof path == "string") {
   var lookup = FS.lookupPath(path, {
    follow: true
   });
   node = lookup.node;
  } else {
   node = path;
  }
  if (!node.node_ops.setattr) {
   throw new FS.ErrnoError(63);
  }
  if (FS.isDir(node.mode)) {
   throw new FS.ErrnoError(31);
  }
  if (!FS.isFile(node.mode)) {
   throw new FS.ErrnoError(28);
  }
  var errCode = FS.nodePermissions(node, "w");
  if (errCode) {
   throw new FS.ErrnoError(errCode);
  }
  node.node_ops.setattr(node, {
   size: len,
   timestamp: Date.now()
  });
 },
 ftruncate: (fd, len) => {
  var stream = FS.getStream(fd);
  if (!stream) {
   throw new FS.ErrnoError(8);
  }
  if ((stream.flags & 2097155) === 0) {
   throw new FS.ErrnoError(28);
  }
  FS.truncate(stream.node, len);
 },
 utime: (path, atime, mtime) => {
  var lookup = FS.lookupPath(path, {
   follow: true
  });
  var node = lookup.node;
  node.node_ops.setattr(node, {
   timestamp: Math.max(atime, mtime)
  });
 },
 open: (path, flags, mode) => {
  if (path === "") {
   throw new FS.ErrnoError(44);
  }
  flags = typeof flags == "string" ? FS.modeStringToFlags(flags) : flags;
  mode = typeof mode == "undefined" ? 438 : mode;
  if (flags & 64) {
   mode = mode & 4095 | 32768;
  } else {
   mode = 0;
  }
  var node;
  if (typeof path == "object") {
   node = path;
  } else {
   path = PATH.normalize(path);
   try {
    var lookup = FS.lookupPath(path, {
     follow: !(flags & 131072)
    });
    node = lookup.node;
   } catch (e) {}
  }
  var created = false;
  if (flags & 64) {
   if (node) {
    if (flags & 128) {
     throw new FS.ErrnoError(20);
    }
   } else {
    node = FS.mknod(path, mode, 0);
    created = true;
   }
  }
  if (!node) {
   throw new FS.ErrnoError(44);
  }
  if (FS.isChrdev(node.mode)) {
   flags &= ~512;
  }
  if (flags & 65536 && !FS.isDir(node.mode)) {
   throw new FS.ErrnoError(54);
  }
  if (!created) {
   var errCode = FS.mayOpen(node, flags);
   if (errCode) {
    throw new FS.ErrnoError(errCode);
   }
  }
  if (flags & 512 && !created) {
   FS.truncate(node, 0);
  }
  flags &= ~(128 | 512 | 131072);
  var stream = FS.createStream({
   node: node,
   path: FS.getPath(node),
   flags: flags,
   seekable: true,
   position: 0,
   stream_ops: node.stream_ops,
   ungotten: [],
   error: false
  });
  if (stream.stream_ops.open) {
   stream.stream_ops.open(stream);
  }
  if (Module["logReadFiles"] && !(flags & 1)) {
   if (!FS.readFiles) FS.readFiles = {};
   if (!(path in FS.readFiles)) {
    FS.readFiles[path] = 1;
   }
  }
  return stream;
 },
 close: stream => {
  if (FS.isClosed(stream)) {
   throw new FS.ErrnoError(8);
  }
  if (stream.getdents) stream.getdents = null;
  try {
   if (stream.stream_ops.close) {
    stream.stream_ops.close(stream);
   }
  } catch (e) {
   throw e;
  } finally {
   FS.closeStream(stream.fd);
  }
  stream.fd = null;
 },
 isClosed: stream => {
  return stream.fd === null;
 },
 llseek: (stream, offset, whence) => {
  if (FS.isClosed(stream)) {
   throw new FS.ErrnoError(8);
  }
  if (!stream.seekable || !stream.stream_ops.llseek) {
   throw new FS.ErrnoError(70);
  }
  if (whence != 0 && whence != 1 && whence != 2) {
   throw new FS.ErrnoError(28);
  }
  stream.position = stream.stream_ops.llseek(stream, offset, whence);
  stream.ungotten = [];
  return stream.position;
 },
 read: (stream, buffer, offset, length, position) => {
  if (length < 0 || position < 0) {
   throw new FS.ErrnoError(28);
  }
  if (FS.isClosed(stream)) {
   throw new FS.ErrnoError(8);
  }
  if ((stream.flags & 2097155) === 1) {
   throw new FS.ErrnoError(8);
  }
  if (FS.isDir(stream.node.mode)) {
   throw new FS.ErrnoError(31);
  }
  if (!stream.stream_ops.read) {
   throw new FS.ErrnoError(28);
  }
  var seeking = typeof position != "undefined";
  if (!seeking) {
   position = stream.position;
  } else if (!stream.seekable) {
   throw new FS.ErrnoError(70);
  }
  var bytesRead = stream.stream_ops.read(stream, buffer, offset, length, position);
  if (!seeking) stream.position += bytesRead;
  return bytesRead;
 },
 write: (stream, buffer, offset, length, position, canOwn) => {
  if (length < 0 || position < 0) {
   throw new FS.ErrnoError(28);
  }
  if (FS.isClosed(stream)) {
   throw new FS.ErrnoError(8);
  }
  if ((stream.flags & 2097155) === 0) {
   throw new FS.ErrnoError(8);
  }
  if (FS.isDir(stream.node.mode)) {
   throw new FS.ErrnoError(31);
  }
  if (!stream.stream_ops.write) {
   throw new FS.ErrnoError(28);
  }
  if (stream.seekable && stream.flags & 1024) {
   FS.llseek(stream, 0, 2);
  }
  var seeking = typeof position != "undefined";
  if (!seeking) {
   position = stream.position;
  } else if (!stream.seekable) {
   throw new FS.ErrnoError(70);
  }
  var bytesWritten = stream.stream_ops.write(stream, buffer, offset, length, position, canOwn);
  if (!seeking) stream.position += bytesWritten;
  return bytesWritten;
 },
 allocate: (stream, offset, length) => {
  if (FS.isClosed(stream)) {
   throw new FS.ErrnoError(8);
  }
  if (offset < 0 || length <= 0) {
   throw new FS.ErrnoError(28);
  }
  if ((stream.flags & 2097155) === 0) {
   throw new FS.ErrnoError(8);
  }
  if (!FS.isFile(stream.node.mode) && !FS.isDir(stream.node.mode)) {
   throw new FS.ErrnoError(43);
  }
  if (!stream.stream_ops.allocate) {
   throw new FS.ErrnoError(138);
  }
  stream.stream_ops.allocate(stream, offset, length);
 },
 mmap: (stream, length, position, prot, flags) => {
  if ((prot & 2) !== 0 && (flags & 2) === 0 && (stream.flags & 2097155) !== 2) {
   throw new FS.ErrnoError(2);
  }
  if ((stream.flags & 2097155) === 1) {
   throw new FS.ErrnoError(2);
  }
  if (!stream.stream_ops.mmap) {
   throw new FS.ErrnoError(43);
  }
  return stream.stream_ops.mmap(stream, length, position, prot, flags);
 },
 msync: (stream, buffer, offset, length, mmapFlags) => {
  if (!stream.stream_ops.msync) {
   return 0;
  }
  return stream.stream_ops.msync(stream, buffer, offset, length, mmapFlags);
 },
 munmap: stream => 0,
 ioctl: (stream, cmd, arg) => {
  if (!stream.stream_ops.ioctl) {
   throw new FS.ErrnoError(59);
  }
  return stream.stream_ops.ioctl(stream, cmd, arg);
 },
 readFile: (path, opts = {}) => {
  opts.flags = opts.flags || 0;
  opts.encoding = opts.encoding || "binary";
  if (opts.encoding !== "utf8" && opts.encoding !== "binary") {
   throw new Error('Invalid encoding type "' + opts.encoding + '"');
  }
  var ret;
  var stream = FS.open(path, opts.flags);
  var stat = FS.stat(path);
  var length = stat.size;
  var buf = new Uint8Array(length);
  FS.read(stream, buf, 0, length, 0);
  if (opts.encoding === "utf8") {
   ret = UTF8ArrayToString(buf, 0);
  } else if (opts.encoding === "binary") {
   ret = buf;
  }
  FS.close(stream);
  return ret;
 },
 writeFile: (path, data, opts = {}) => {
  opts.flags = opts.flags || 577;
  var stream = FS.open(path, opts.flags, opts.mode);
  if (typeof data == "string") {
   var buf = new Uint8Array(lengthBytesUTF8(data) + 1);
   var actualNumBytes = stringToUTF8Array(data, buf, 0, buf.length);
   FS.write(stream, buf, 0, actualNumBytes, undefined, opts.canOwn);
  } else if (ArrayBuffer.isView(data)) {
   FS.write(stream, data, 0, data.byteLength, undefined, opts.canOwn);
  } else {
   throw new Error("Unsupported data type");
  }
  FS.close(stream);
 },
 cwd: () => FS.currentPath,
 chdir: path => {
  var lookup = FS.lookupPath(path, {
   follow: true
  });
  if (lookup.node === null) {
   throw new FS.ErrnoError(44);
  }
  if (!FS.isDir(lookup.node.mode)) {
   throw new FS.ErrnoError(54);
  }
  var errCode = FS.nodePermissions(lookup.node, "x");
  if (errCode) {
   throw new FS.ErrnoError(errCode);
  }
  FS.currentPath = lookup.path;
 },
 createDefaultDirectories: () => {
  FS.mkdir("/tmp");
  FS.mkdir("/home");
  FS.mkdir("/home/web_user");
 },
 createDefaultDevices: () => {
  FS.mkdir("/dev");
  FS.registerDevice(FS.makedev(1, 3), {
   read: () => 0,
   write: (stream, buffer, offset, length, pos) => length
  });
  FS.mkdev("/dev/null", FS.makedev(1, 3));
  TTY.register(FS.makedev(5, 0), TTY.default_tty_ops);
  TTY.register(FS.makedev(6, 0), TTY.default_tty1_ops);
  FS.mkdev("/dev/tty", FS.makedev(5, 0));
  FS.mkdev("/dev/tty1", FS.makedev(6, 0));
  var random_device = getRandomDevice();
  FS.createDevice("/dev", "random", random_device);
  FS.createDevice("/dev", "urandom", random_device);
  FS.mkdir("/dev/shm");
  FS.mkdir("/dev/shm/tmp");
 },
 createSpecialDirectories: () => {
  FS.mkdir("/proc");
  var proc_self = FS.mkdir("/proc/self");
  FS.mkdir("/proc/self/fd");
  FS.mount({
   mount: () => {
    var node = FS.createNode(proc_self, "fd", 16384 | 511, 73);
    node.node_ops = {
     lookup: (parent, name) => {
      var fd = +name;
      var stream = FS.getStream(fd);
      if (!stream) throw new FS.ErrnoError(8);
      var ret = {
       parent: null,
       mount: {
        mountpoint: "fake"
       },
       node_ops: {
        readlink: () => stream.path
       }
      };
      ret.parent = ret;
      return ret;
     }
    };
    return node;
   }
  }, {}, "/proc/self/fd");
 },
 createStandardStreams: () => {
  if (Module["stdin"]) {
   FS.createDevice("/dev", "stdin", Module["stdin"]);
  } else {
   FS.symlink("/dev/tty", "/dev/stdin");
  }
  if (Module["stdout"]) {
   FS.createDevice("/dev", "stdout", null, Module["stdout"]);
  } else {
   FS.symlink("/dev/tty", "/dev/stdout");
  }
  if (Module["stderr"]) {
   FS.createDevice("/dev", "stderr", null, Module["stderr"]);
  } else {
   FS.symlink("/dev/tty1", "/dev/stderr");
  }
  var stdin = FS.open("/dev/stdin", 0);
  var stdout = FS.open("/dev/stdout", 1);
  var stderr = FS.open("/dev/stderr", 1);
 },
 ensureErrnoError: () => {
  if (FS.ErrnoError) return;
  FS.ErrnoError = function ErrnoError(errno, node) {
   this.node = node;
   this.setErrno = function(errno) {
    this.errno = errno;
   };
   this.setErrno(errno);
   this.message = "FS error";
  };
  FS.ErrnoError.prototype = new Error();
  FS.ErrnoError.prototype.constructor = FS.ErrnoError;
  [ 44 ].forEach(code => {
   FS.genericErrors[code] = new FS.ErrnoError(code);
   FS.genericErrors[code].stack = "<generic error, no stack>";
  });
 },
 staticInit: () => {
  FS.ensureErrnoError();
  FS.nameTable = new Array(4096);
  FS.mount(MEMFS, {}, "/");
  FS.createDefaultDirectories();
  FS.createDefaultDevices();
  FS.createSpecialDirectories();
  FS.filesystems = {
   "MEMFS": MEMFS
  };
 },
 init: (input, output, error) => {
  FS.init.initialized = true;
  FS.ensureErrnoError();
  Module["stdin"] = input || Module["stdin"];
  Module["stdout"] = output || Module["stdout"];
  Module["stderr"] = error || Module["stderr"];
  FS.createStandardStreams();
 },
 quit: () => {
  FS.init.initialized = false;
  for (var i = 0; i < FS.streams.length; i++) {
   var stream = FS.streams[i];
   if (!stream) {
    continue;
   }
   FS.close(stream);
  }
 },
 getMode: (canRead, canWrite) => {
  var mode = 0;
  if (canRead) mode |= 292 | 73;
  if (canWrite) mode |= 146;
  return mode;
 },
 findObject: (path, dontResolveLastLink) => {
  var ret = FS.analyzePath(path, dontResolveLastLink);
  if (!ret.exists) {
   return null;
  }
  return ret.object;
 },
 analyzePath: (path, dontResolveLastLink) => {
  try {
   var lookup = FS.lookupPath(path, {
    follow: !dontResolveLastLink
   });
   path = lookup.path;
  } catch (e) {}
  var ret = {
   isRoot: false,
   exists: false,
   error: 0,
   name: null,
   path: null,
   object: null,
   parentExists: false,
   parentPath: null,
   parentObject: null
  };
  try {
   var lookup = FS.lookupPath(path, {
    parent: true
   });
   ret.parentExists = true;
   ret.parentPath = lookup.path;
   ret.parentObject = lookup.node;
   ret.name = PATH.basename(path);
   lookup = FS.lookupPath(path, {
    follow: !dontResolveLastLink
   });
   ret.exists = true;
   ret.path = lookup.path;
   ret.object = lookup.node;
   ret.name = lookup.node.name;
   ret.isRoot = lookup.path === "/";
  } catch (e) {
   ret.error = e.errno;
  }
  return ret;
 },
 createPath: (parent, path, canRead, canWrite) => {
  parent = typeof parent == "string" ? parent : FS.getPath(parent);
  var parts = path.split("/").reverse();
  while (parts.length) {
   var part = parts.pop();
   if (!part) continue;
   var current = PATH.join2(parent, part);
   try {
    FS.mkdir(current);
   } catch (e) {}
   parent = current;
  }
  return current;
 },
 createFile: (parent, name, properties, canRead, canWrite) => {
  var path = PATH.join2(typeof parent == "string" ? parent : FS.getPath(parent), name);
  var mode = FS.getMode(canRead, canWrite);
  return FS.create(path, mode);
 },
 createDataFile: (parent, name, data, canRead, canWrite, canOwn) => {
  var path = name;
  if (parent) {
   parent = typeof parent == "string" ? parent : FS.getPath(parent);
   path = name ? PATH.join2(parent, name) : parent;
  }
  var mode = FS.getMode(canRead, canWrite);
  var node = FS.create(path, mode);
  if (data) {
   if (typeof data == "string") {
    var arr = new Array(data.length);
    for (var i = 0, len = data.length; i < len; ++i) arr[i] = data.charCodeAt(i);
    data = arr;
   }
   FS.chmod(node, mode | 146);
   var stream = FS.open(node, 577);
   FS.write(stream, data, 0, data.length, 0, canOwn);
   FS.close(stream);
   FS.chmod(node, mode);
  }
  return node;
 },
 createDevice: (parent, name, input, output) => {
  var path = PATH.join2(typeof parent == "string" ? parent : FS.getPath(parent), name);
  var mode = FS.getMode(!!input, !!output);
  if (!FS.createDevice.major) FS.createDevice.major = 64;
  var dev = FS.makedev(FS.createDevice.major++, 0);
  FS.registerDevice(dev, {
   open: stream => {
    stream.seekable = false;
   },
   close: stream => {
    if (output && output.buffer && output.buffer.length) {
     output(10);
    }
   },
   read: (stream, buffer, offset, length, pos) => {
    var bytesRead = 0;
    for (var i = 0; i < length; i++) {
     var result;
     try {
      result = input();
     } catch (e) {
      throw new FS.ErrnoError(29);
     }
     if (result === undefined && bytesRead === 0) {
      throw new FS.ErrnoError(6);
     }
     if (result === null || result === undefined) break;
     bytesRead++;
     buffer[offset + i] = result;
    }
    if (bytesRead) {
     stream.node.timestamp = Date.now();
    }
    return bytesRead;
   },
   write: (stream, buffer, offset, length, pos) => {
    for (var i = 0; i < length; i++) {
     try {
      output(buffer[offset + i]);
     } catch (e) {
      throw new FS.ErrnoError(29);
     }
    }
    if (length) {
     stream.node.timestamp = Date.now();
    }
    return i;
   }
  });
  return FS.mkdev(path, mode, dev);
 },
 forceLoadFile: obj => {
  if (obj.isDevice || obj.isFolder || obj.link || obj.contents) return true;
  if (typeof XMLHttpRequest != "undefined") {
   throw new Error("Lazy loading should have been performed (contents set) in createLazyFile, but it was not. Lazy loading only works in web workers. Use --embed-file or --preload-file in emcc on the main thread.");
  } else if (read_) {
   try {
    obj.contents = intArrayFromString(read_(obj.url), true);
    obj.usedBytes = obj.contents.length;
   } catch (e) {
    throw new FS.ErrnoError(29);
   }
  } else {
   throw new Error("Cannot load without read() or XMLHttpRequest.");
  }
 },
 createLazyFile: (parent, name, url, canRead, canWrite) => {
  function LazyUint8Array() {
   this.lengthKnown = false;
   this.chunks = [];
  }
  LazyUint8Array.prototype.get = function LazyUint8Array_get(idx) {
   if (idx > this.length - 1 || idx < 0) {
    return undefined;
   }
   var chunkOffset = idx % this.chunkSize;
   var chunkNum = idx / this.chunkSize | 0;
   return this.getter(chunkNum)[chunkOffset];
  };
  LazyUint8Array.prototype.setDataGetter = function LazyUint8Array_setDataGetter(getter) {
   this.getter = getter;
  };
  LazyUint8Array.prototype.cacheLength = function LazyUint8Array_cacheLength() {
   var xhr = new XMLHttpRequest();
   xhr.open("HEAD", url, false);
   xhr.send(null);
   if (!(xhr.status >= 200 && xhr.status < 300 || xhr.status === 304)) throw new Error("Couldn't load " + url + ". Status: " + xhr.status);
   var datalength = Number(xhr.getResponseHeader("Content-length"));
   var header;
   var hasByteServing = (header = xhr.getResponseHeader("Accept-Ranges")) && header === "bytes";
   var usesGzip = (header = xhr.getResponseHeader("Content-Encoding")) && header === "gzip";
   var chunkSize = 1024 * 1024;
   if (!hasByteServing) chunkSize = datalength;
   var doXHR = (from, to) => {
    if (from > to) throw new Error("invalid range (" + from + ", " + to + ") or no bytes requested!");
    if (to > datalength - 1) throw new Error("only " + datalength + " bytes available! programmer error!");
    var xhr = new XMLHttpRequest();
    xhr.open("GET", url, false);
    if (datalength !== chunkSize) xhr.setRequestHeader("Range", "bytes=" + from + "-" + to);
    xhr.responseType = "arraybuffer";
    if (xhr.overrideMimeType) {
     xhr.overrideMimeType("text/plain; charset=x-user-defined");
    }
    xhr.send(null);
    if (!(xhr.status >= 200 && xhr.status < 300 || xhr.status === 304)) throw new Error("Couldn't load " + url + ". Status: " + xhr.status);
    if (xhr.response !== undefined) {
     return new Uint8Array(xhr.response || []);
    }
    return intArrayFromString(xhr.responseText || "", true);
   };
   var lazyArray = this;
   lazyArray.setDataGetter(chunkNum => {
    var start = chunkNum * chunkSize;
    var end = (chunkNum + 1) * chunkSize - 1;
    end = Math.min(end, datalength - 1);
    if (typeof lazyArray.chunks[chunkNum] == "undefined") {
     lazyArray.chunks[chunkNum] = doXHR(start, end);
    }
    if (typeof lazyArray.chunks[chunkNum] == "undefined") throw new Error("doXHR failed!");
    return lazyArray.chunks[chunkNum];
   });
   if (usesGzip || !datalength) {
    chunkSize = datalength = 1;
    datalength = this.getter(0).length;
    chunkSize = datalength;
    out("LazyFiles on gzip forces download of the whole file when length is accessed");
   }
   this._length = datalength;
   this._chunkSize = chunkSize;
   this.lengthKnown = true;
  };
  if (typeof XMLHttpRequest != "undefined") {
   if (!ENVIRONMENT_IS_WORKER) throw "Cannot do synchronous binary XHRs outside webworkers in modern browsers. Use --embed-file or --preload-file in emcc";
   var lazyArray = new LazyUint8Array();
   Object.defineProperties(lazyArray, {
    length: {
     get: function() {
      if (!this.lengthKnown) {
       this.cacheLength();
      }
      return this._length;
     }
    },
    chunkSize: {
     get: function() {
      if (!this.lengthKnown) {
       this.cacheLength();
      }
      return this._chunkSize;
     }
    }
   });
   var properties = {
    isDevice: false,
    contents: lazyArray
   };
  } else {
   var properties = {
    isDevice: false,
    url: url
   };
  }
  var node = FS.createFile(parent, name, properties, canRead, canWrite);
  if (properties.contents) {
   node.contents = properties.contents;
  } else if (properties.url) {
   node.contents = null;
   node.url = properties.url;
  }
  Object.defineProperties(node, {
   usedBytes: {
    get: function() {
     return this.contents.length;
    }
   }
  });
  var stream_ops = {};
  var keys = Object.keys(node.stream_ops);
  keys.forEach(key => {
   var fn = node.stream_ops[key];
   stream_ops[key] = function forceLoadLazyFile() {
    FS.forceLoadFile(node);
    return fn.apply(null, arguments);
   };
  });
  function writeChunks(stream, buffer, offset, length, position) {
   var contents = stream.node.contents;
   if (position >= contents.length) return 0;
   var size = Math.min(contents.length - position, length);
   if (contents.slice) {
    for (var i = 0; i < size; i++) {
     buffer[offset + i] = contents[position + i];
    }
   } else {
    for (var i = 0; i < size; i++) {
     buffer[offset + i] = contents.get(position + i);
    }
   }
   return size;
  }
  stream_ops.read = (stream, buffer, offset, length, position) => {
   FS.forceLoadFile(node);
   return writeChunks(stream, buffer, offset, length, position);
  };
  stream_ops.mmap = (stream, length, position, prot, flags) => {
   FS.forceLoadFile(node);
   var ptr = mmapAlloc(length);
   if (!ptr) {
    throw new FS.ErrnoError(48);
   }
   writeChunks(stream, HEAP8, ptr, length, position);
   return {
    ptr: ptr,
    allocated: true
   };
  };
  node.stream_ops = stream_ops;
  return node;
 },
 createPreloadedFile: (parent, name, url, canRead, canWrite, onload, onerror, dontCreateFile, canOwn, preFinish) => {
  var fullname = name ? PATH_FS.resolve(PATH.join2(parent, name)) : parent;
  var dep = getUniqueRunDependency("cp " + fullname);
  function processData(byteArray) {
   function finish(byteArray) {
    if (preFinish) preFinish();
    if (!dontCreateFile) {
     FS.createDataFile(parent, name, byteArray, canRead, canWrite, canOwn);
    }
    if (onload) onload();
    removeRunDependency(dep);
   }
   if (Browser.handledByPreloadPlugin(byteArray, fullname, finish, () => {
    if (onerror) onerror();
    removeRunDependency(dep);
   })) {
    return;
   }
   finish(byteArray);
  }
  addRunDependency(dep);
  if (typeof url == "string") {
   asyncLoad(url, byteArray => processData(byteArray), onerror);
  } else {
   processData(url);
  }
 },
 indexedDB: () => {
  return window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB || window.msIndexedDB;
 },
 DB_NAME: () => {
  return "EM_FS_" + window.location.pathname;
 },
 DB_VERSION: 20,
 DB_STORE_NAME: "FILE_DATA",
 saveFilesToDB: (paths, onload, onerror) => {
  onload = onload || (() => {});
  onerror = onerror || (() => {});
  var indexedDB = FS.indexedDB();
  try {
   var openRequest = indexedDB.open(FS.DB_NAME(), FS.DB_VERSION);
  } catch (e) {
   return onerror(e);
  }
  openRequest.onupgradeneeded = () => {
   out("creating db");
   var db = openRequest.result;
   db.createObjectStore(FS.DB_STORE_NAME);
  };
  openRequest.onsuccess = () => {
   var db = openRequest.result;
   var transaction = db.transaction([ FS.DB_STORE_NAME ], "readwrite");
   var files = transaction.objectStore(FS.DB_STORE_NAME);
   var ok = 0, fail = 0, total = paths.length;
   function finish() {
    if (fail == 0) onload(); else onerror();
   }
   paths.forEach(path => {
    var putRequest = files.put(FS.analyzePath(path).object.contents, path);
    putRequest.onsuccess = () => {
     ok++;
     if (ok + fail == total) finish();
    };
    putRequest.onerror = () => {
     fail++;
     if (ok + fail == total) finish();
    };
   });
   transaction.onerror = onerror;
  };
  openRequest.onerror = onerror;
 },
 loadFilesFromDB: (paths, onload, onerror) => {
  onload = onload || (() => {});
  onerror = onerror || (() => {});
  var indexedDB = FS.indexedDB();
  try {
   var openRequest = indexedDB.open(FS.DB_NAME(), FS.DB_VERSION);
  } catch (e) {
   return onerror(e);
  }
  openRequest.onupgradeneeded = onerror;
  openRequest.onsuccess = () => {
   var db = openRequest.result;
   try {
    var transaction = db.transaction([ FS.DB_STORE_NAME ], "readonly");
   } catch (e) {
    onerror(e);
    return;
   }
   var files = transaction.objectStore(FS.DB_STORE_NAME);
   var ok = 0, fail = 0, total = paths.length;
   function finish() {
    if (fail == 0) onload(); else onerror();
   }
   paths.forEach(path => {
    var getRequest = files.get(path);
    getRequest.onsuccess = () => {
     if (FS.analyzePath(path).exists) {
      FS.unlink(path);
     }
     FS.createDataFile(PATH.dirname(path), PATH.basename(path), getRequest.result, true, true, true);
     ok++;
     if (ok + fail == total) finish();
    };
    getRequest.onerror = () => {
     fail++;
     if (ok + fail == total) finish();
    };
   });
   transaction.onerror = onerror;
  };
  openRequest.onerror = onerror;
 }
};

var SYSCALLS = {
 DEFAULT_POLLMASK: 5,
 calculateAt: function(dirfd, path, allowEmpty) {
  if (PATH.isAbs(path)) {
   return path;
  }
  var dir;
  if (dirfd === -100) {
   dir = FS.cwd();
  } else {
   var dirstream = SYSCALLS.getStreamFromFD(dirfd);
   dir = dirstream.path;
  }
  if (path.length == 0) {
   if (!allowEmpty) {
    throw new FS.ErrnoError(44);
   }
   return dir;
  }
  return PATH.join2(dir, path);
 },
 doStat: function(func, path, buf) {
  try {
   var stat = func(path);
  } catch (e) {
   if (e && e.node && PATH.normalize(path) !== PATH.normalize(FS.getPath(e.node))) {
    return -54;
   }
   throw e;
  }
  HEAP32[buf >> 2] = stat.dev;
  HEAP32[buf + 8 >> 2] = stat.ino;
  HEAP32[buf + 12 >> 2] = stat.mode;
  HEAPU32[buf + 16 >> 2] = stat.nlink;
  HEAP32[buf + 20 >> 2] = stat.uid;
  HEAP32[buf + 24 >> 2] = stat.gid;
  HEAP32[buf + 28 >> 2] = stat.rdev;
  tempI64 = [ stat.size >>> 0, (tempDouble = stat.size, +Math.abs(tempDouble) >= 1 ? tempDouble > 0 ? (Math.min(+Math.floor(tempDouble / 4294967296), 4294967295) | 0) >>> 0 : ~~+Math.ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0 : 0) ], 
  HEAP32[buf + 40 >> 2] = tempI64[0], HEAP32[buf + 44 >> 2] = tempI64[1];
  HEAP32[buf + 48 >> 2] = 4096;
  HEAP32[buf + 52 >> 2] = stat.blocks;
  tempI64 = [ Math.floor(stat.atime.getTime() / 1e3) >>> 0, (tempDouble = Math.floor(stat.atime.getTime() / 1e3), 
  +Math.abs(tempDouble) >= 1 ? tempDouble > 0 ? (Math.min(+Math.floor(tempDouble / 4294967296), 4294967295) | 0) >>> 0 : ~~+Math.ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0 : 0) ], 
  HEAP32[buf + 56 >> 2] = tempI64[0], HEAP32[buf + 60 >> 2] = tempI64[1];
  HEAPU32[buf + 64 >> 2] = 0;
  tempI64 = [ Math.floor(stat.mtime.getTime() / 1e3) >>> 0, (tempDouble = Math.floor(stat.mtime.getTime() / 1e3), 
  +Math.abs(tempDouble) >= 1 ? tempDouble > 0 ? (Math.min(+Math.floor(tempDouble / 4294967296), 4294967295) | 0) >>> 0 : ~~+Math.ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0 : 0) ], 
  HEAP32[buf + 72 >> 2] = tempI64[0], HEAP32[buf + 76 >> 2] = tempI64[1];
  HEAPU32[buf + 80 >> 2] = 0;
  tempI64 = [ Math.floor(stat.ctime.getTime() / 1e3) >>> 0, (tempDouble = Math.floor(stat.ctime.getTime() / 1e3), 
  +Math.abs(tempDouble) >= 1 ? tempDouble > 0 ? (Math.min(+Math.floor(tempDouble / 4294967296), 4294967295) | 0) >>> 0 : ~~+Math.ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0 : 0) ], 
  HEAP32[buf + 88 >> 2] = tempI64[0], HEAP32[buf + 92 >> 2] = tempI64[1];
  HEAPU32[buf + 96 >> 2] = 0;
  tempI64 = [ stat.ino >>> 0, (tempDouble = stat.ino, +Math.abs(tempDouble) >= 1 ? tempDouble > 0 ? (Math.min(+Math.floor(tempDouble / 4294967296), 4294967295) | 0) >>> 0 : ~~+Math.ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0 : 0) ], 
  HEAP32[buf + 104 >> 2] = tempI64[0], HEAP32[buf + 108 >> 2] = tempI64[1];
  return 0;
 },
 doMsync: function(addr, stream, len, flags, offset) {
  if (!FS.isFile(stream.node.mode)) {
   throw new FS.ErrnoError(43);
  }
  if (flags & 2) {
   return 0;
  }
  var buffer = HEAPU8.slice(addr, addr + len);
  FS.msync(stream, buffer, offset, len, flags);
 },
 varargs: undefined,
 get: function() {
  SYSCALLS.varargs += 4;
  var ret = HEAP32[SYSCALLS.varargs - 4 >> 2];
  return ret;
 },
 getStr: function(ptr) {
  var ret = UTF8ToString(ptr);
  return ret;
 },
 getStreamFromFD: function(fd) {
  var stream = FS.getStream(fd);
  if (!stream) throw new FS.ErrnoError(8);
  return stream;
 }
};

function _proc_exit(code) {
 EXITSTATUS = code;
 if (!keepRuntimeAlive()) {
  if (Module["onExit"]) Module["onExit"](code);
  ABORT = true;
 }
 quit_(code, new ExitStatus(code));
}

function exitJS(status, implicit) {
 EXITSTATUS = status;
 _proc_exit(status);
}

var _exit = exitJS;

function handleException(e) {
 if (e instanceof ExitStatus || e == "unwind") {
  return EXITSTATUS;
 }
 quit_(1, e);
}

function maybeExit() {}

function setMainLoop(browserIterationFunc, fps, simulateInfiniteLoop, arg, noSetTiming) {
 assert(!Browser.mainLoop.func, "emscripten_set_main_loop: there can only be one main loop function at once: call emscripten_cancel_main_loop to cancel the previous one before setting a new one with different parameters.");
 Browser.mainLoop.func = browserIterationFunc;
 Browser.mainLoop.arg = arg;
 var thisMainLoopId = Browser.mainLoop.currentlyRunningMainloop;
 function checkIsRunning() {
  if (thisMainLoopId < Browser.mainLoop.currentlyRunningMainloop) {
   maybeExit();
   return false;
  }
  return true;
 }
 Browser.mainLoop.running = false;
 Browser.mainLoop.runner = function Browser_mainLoop_runner() {
  if (ABORT) return;
  if (Browser.mainLoop.queue.length > 0) {
   var start = Date.now();
   var blocker = Browser.mainLoop.queue.shift();
   blocker.func(blocker.arg);
   if (Browser.mainLoop.remainingBlockers) {
    var remaining = Browser.mainLoop.remainingBlockers;
    var next = remaining % 1 == 0 ? remaining - 1 : Math.floor(remaining);
    if (blocker.counted) {
     Browser.mainLoop.remainingBlockers = next;
    } else {
     next = next + .5;
     Browser.mainLoop.remainingBlockers = (8 * remaining + next) / 9;
    }
   }
   out('main loop blocker "' + blocker.name + '" took ' + (Date.now() - start) + " ms");
   Browser.mainLoop.updateStatus();
   if (!checkIsRunning()) return;
   setTimeout(Browser.mainLoop.runner, 0);
   return;
  }
  if (!checkIsRunning()) return;
  Browser.mainLoop.currentFrameNumber = Browser.mainLoop.currentFrameNumber + 1 | 0;
  if (Browser.mainLoop.timingMode == 1 && Browser.mainLoop.timingValue > 1 && Browser.mainLoop.currentFrameNumber % Browser.mainLoop.timingValue != 0) {
   Browser.mainLoop.scheduler();
   return;
  } else if (Browser.mainLoop.timingMode == 0) {
   Browser.mainLoop.tickStartTime = _emscripten_get_now();
  }
  GL.newRenderingFrameStarted();
  Browser.mainLoop.runIter(browserIterationFunc);
  if (!checkIsRunning()) return;
  if (typeof SDL == "object" && SDL.audio && SDL.audio.queueNewAudioData) SDL.audio.queueNewAudioData();
  Browser.mainLoop.scheduler();
 };
 if (!noSetTiming) {
  if (fps && fps > 0) _emscripten_set_main_loop_timing(0, 1e3 / fps); else _emscripten_set_main_loop_timing(1, 1);
  Browser.mainLoop.scheduler();
 }
 if (simulateInfiniteLoop) {
  throw "unwind";
 }
}

function callUserCallback(func) {
 if (ABORT) {
  return;
 }
 try {
  func();
 } catch (e) {
  handleException(e);
 }
}

function safeSetTimeout(func, timeout) {
 return setTimeout(function() {
  callUserCallback(func);
 }, timeout);
}

function warnOnce(text) {
 if (!warnOnce.shown) warnOnce.shown = {};
 if (!warnOnce.shown[text]) {
  warnOnce.shown[text] = 1;
  if (ENVIRONMENT_IS_NODE) text = "warning: " + text;
  err(text);
 }
}

var Browser = {
 mainLoop: {
  running: false,
  scheduler: null,
  method: "",
  currentlyRunningMainloop: 0,
  func: null,
  arg: 0,
  timingMode: 0,
  timingValue: 0,
  currentFrameNumber: 0,
  queue: [],
  pause: function() {
   Browser.mainLoop.scheduler = null;
   Browser.mainLoop.currentlyRunningMainloop++;
  },
  resume: function() {
   Browser.mainLoop.currentlyRunningMainloop++;
   var timingMode = Browser.mainLoop.timingMode;
   var timingValue = Browser.mainLoop.timingValue;
   var func = Browser.mainLoop.func;
   Browser.mainLoop.func = null;
   setMainLoop(func, 0, false, Browser.mainLoop.arg, true);
   _emscripten_set_main_loop_timing(timingMode, timingValue);
   Browser.mainLoop.scheduler();
  },
  updateStatus: function() {
   if (Module["setStatus"]) {
    var message = Module["statusMessage"] || "Please wait...";
    var remaining = Browser.mainLoop.remainingBlockers;
    var expected = Browser.mainLoop.expectedBlockers;
    if (remaining) {
     if (remaining < expected) {
      Module["setStatus"](message + " (" + (expected - remaining) + "/" + expected + ")");
     } else {
      Module["setStatus"](message);
     }
    } else {
     Module["setStatus"]("");
    }
   }
  },
  runIter: function(func) {
   if (ABORT) return;
   if (Module["preMainLoop"]) {
    var preRet = Module["preMainLoop"]();
    if (preRet === false) {
     return;
    }
   }
   callUserCallback(func);
   if (Module["postMainLoop"]) Module["postMainLoop"]();
  }
 },
 isFullscreen: false,
 pointerLock: false,
 moduleContextCreatedCallbacks: [],
 workers: [],
 init: function() {
  if (!Module["preloadPlugins"]) Module["preloadPlugins"] = [];
  if (Browser.initted) return;
  Browser.initted = true;
  try {
   new Blob();
   Browser.hasBlobConstructor = true;
  } catch (e) {
   Browser.hasBlobConstructor = false;
   err("warning: no blob constructor, cannot create blobs with mimetypes");
  }
  Browser.BlobBuilder = typeof MozBlobBuilder != "undefined" ? MozBlobBuilder : typeof WebKitBlobBuilder != "undefined" ? WebKitBlobBuilder : !Browser.hasBlobConstructor ? err("warning: no BlobBuilder") : null;
  Browser.URLObject = typeof window != "undefined" ? window.URL ? window.URL : window.webkitURL : undefined;
  if (!Module.noImageDecoding && typeof Browser.URLObject == "undefined") {
   err("warning: Browser does not support creating object URLs. Built-in browser image decoding will not be available.");
   Module.noImageDecoding = true;
  }
  var imagePlugin = {};
  imagePlugin["canHandle"] = function imagePlugin_canHandle(name) {
   return !Module.noImageDecoding && /\.(jpg|jpeg|png|bmp)$/i.test(name);
  };
  imagePlugin["handle"] = function imagePlugin_handle(byteArray, name, onload, onerror) {
   var b = null;
   if (Browser.hasBlobConstructor) {
    try {
     b = new Blob([ byteArray ], {
      type: Browser.getMimetype(name)
     });
     if (b.size !== byteArray.length) {
      b = new Blob([ new Uint8Array(byteArray).buffer ], {
       type: Browser.getMimetype(name)
      });
     }
    } catch (e) {
     warnOnce("Blob constructor present but fails: " + e + "; falling back to blob builder");
    }
   }
   if (!b) {
    var bb = new Browser.BlobBuilder();
    bb.append(new Uint8Array(byteArray).buffer);
    b = bb.getBlob();
   }
   var url = Browser.URLObject.createObjectURL(b);
   var img = new Image();
   img.onload = () => {
    assert(img.complete, "Image " + name + " could not be decoded");
    var canvas = document.createElement("canvas");
    canvas.width = img.width;
    canvas.height = img.height;
    var ctx = canvas.getContext("2d");
    ctx.drawImage(img, 0, 0);
    preloadedImages[name] = canvas;
    Browser.URLObject.revokeObjectURL(url);
    if (onload) onload(byteArray);
   };
   img.onerror = event => {
    out("Image " + url + " could not be decoded");
    if (onerror) onerror();
   };
   img.src = url;
  };
  Module["preloadPlugins"].push(imagePlugin);
  var audioPlugin = {};
  audioPlugin["canHandle"] = function audioPlugin_canHandle(name) {
   return !Module.noAudioDecoding && name.substr(-4) in {
    ".ogg": 1,
    ".wav": 1,
    ".mp3": 1
   };
  };
  audioPlugin["handle"] = function audioPlugin_handle(byteArray, name, onload, onerror) {
   var done = false;
   function finish(audio) {
    if (done) return;
    done = true;
    preloadedAudios[name] = audio;
    if (onload) onload(byteArray);
   }
   function fail() {
    if (done) return;
    done = true;
    preloadedAudios[name] = new Audio();
    if (onerror) onerror();
   }
   if (Browser.hasBlobConstructor) {
    try {
     var b = new Blob([ byteArray ], {
      type: Browser.getMimetype(name)
     });
    } catch (e) {
     return fail();
    }
    var url = Browser.URLObject.createObjectURL(b);
    var audio = new Audio();
    audio.addEventListener("canplaythrough", () => finish(audio), false);
    audio.onerror = function audio_onerror(event) {
     if (done) return;
     err("warning: browser could not fully decode audio " + name + ", trying slower base64 approach");
     function encode64(data) {
      var BASE = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
      var PAD = "=";
      var ret = "";
      var leftchar = 0;
      var leftbits = 0;
      for (var i = 0; i < data.length; i++) {
       leftchar = leftchar << 8 | data[i];
       leftbits += 8;
       while (leftbits >= 6) {
        var curr = leftchar >> leftbits - 6 & 63;
        leftbits -= 6;
        ret += BASE[curr];
       }
      }
      if (leftbits == 2) {
       ret += BASE[(leftchar & 3) << 4];
       ret += PAD + PAD;
      } else if (leftbits == 4) {
       ret += BASE[(leftchar & 15) << 2];
       ret += PAD;
      }
      return ret;
     }
     audio.src = "data:audio/x-" + name.substr(-3) + ";base64," + encode64(byteArray);
     finish(audio);
    };
    audio.src = url;
    safeSetTimeout(function() {
     finish(audio);
    }, 1e4);
   } else {
    return fail();
   }
  };
  Module["preloadPlugins"].push(audioPlugin);
  function pointerLockChange() {
   Browser.pointerLock = document["pointerLockElement"] === Module["canvas"] || document["mozPointerLockElement"] === Module["canvas"] || document["webkitPointerLockElement"] === Module["canvas"] || document["msPointerLockElement"] === Module["canvas"];
  }
  var canvas = Module["canvas"];
  if (canvas) {
   canvas.requestPointerLock = canvas["requestPointerLock"] || canvas["mozRequestPointerLock"] || canvas["webkitRequestPointerLock"] || canvas["msRequestPointerLock"] || (() => {});
   canvas.exitPointerLock = document["exitPointerLock"] || document["mozExitPointerLock"] || document["webkitExitPointerLock"] || document["msExitPointerLock"] || (() => {});
   canvas.exitPointerLock = canvas.exitPointerLock.bind(document);
   document.addEventListener("pointerlockchange", pointerLockChange, false);
   document.addEventListener("mozpointerlockchange", pointerLockChange, false);
   document.addEventListener("webkitpointerlockchange", pointerLockChange, false);
   document.addEventListener("mspointerlockchange", pointerLockChange, false);
   if (Module["elementPointerLock"]) {
    canvas.addEventListener("click", ev => {
     if (!Browser.pointerLock && Module["canvas"].requestPointerLock) {
      Module["canvas"].requestPointerLock();
      ev.preventDefault();
     }
    }, false);
   }
  }
 },
 handledByPreloadPlugin: function(byteArray, fullname, finish, onerror) {
  Browser.init();
  var handled = false;
  Module["preloadPlugins"].forEach(function(plugin) {
   if (handled) return;
   if (plugin["canHandle"](fullname)) {
    plugin["handle"](byteArray, fullname, finish, onerror);
    handled = true;
   }
  });
  return handled;
 },
 createContext: function(canvas, useWebGL, setInModule, webGLContextAttributes) {
  if (useWebGL && Module.ctx && canvas == Module.canvas) return Module.ctx;
  var ctx;
  var contextHandle;
  if (useWebGL) {
   var contextAttributes = {
    antialias: false,
    alpha: false,
    majorVersion: typeof WebGL2RenderingContext != "undefined" ? 2 : 1
   };
   if (webGLContextAttributes) {
    for (var attribute in webGLContextAttributes) {
     contextAttributes[attribute] = webGLContextAttributes[attribute];
    }
   }
   if (typeof GL != "undefined") {
    contextHandle = GL.createContext(canvas, contextAttributes);
    if (contextHandle) {
     ctx = GL.getContext(contextHandle).GLctx;
    }
   }
  } else {
   ctx = canvas.getContext("2d");
  }
  if (!ctx) return null;
  if (setInModule) {
   if (!useWebGL) assert(typeof GLctx == "undefined", "cannot set in module if GLctx is used, but we are a non-GL context that would replace it");
   Module.ctx = ctx;
   if (useWebGL) GL.makeContextCurrent(contextHandle);
   Module.useWebGL = useWebGL;
   Browser.moduleContextCreatedCallbacks.forEach(function(callback) {
    callback();
   });
   Browser.init();
  }
  return ctx;
 },
 destroyContext: function(canvas, useWebGL, setInModule) {},
 fullscreenHandlersInstalled: false,
 lockPointer: undefined,
 resizeCanvas: undefined,
 requestFullscreen: function(lockPointer, resizeCanvas) {
  Browser.lockPointer = lockPointer;
  Browser.resizeCanvas = resizeCanvas;
  if (typeof Browser.lockPointer == "undefined") Browser.lockPointer = true;
  if (typeof Browser.resizeCanvas == "undefined") Browser.resizeCanvas = false;
  var canvas = Module["canvas"];
  function fullscreenChange() {
   Browser.isFullscreen = false;
   var canvasContainer = canvas.parentNode;
   if ((document["fullscreenElement"] || document["mozFullScreenElement"] || document["msFullscreenElement"] || document["webkitFullscreenElement"] || document["webkitCurrentFullScreenElement"]) === canvasContainer) {
    canvas.exitFullscreen = Browser.exitFullscreen;
    if (Browser.lockPointer) canvas.requestPointerLock();
    Browser.isFullscreen = true;
    if (Browser.resizeCanvas) {
     Browser.setFullscreenCanvasSize();
    } else {
     Browser.updateCanvasDimensions(canvas);
    }
   } else {
    canvasContainer.parentNode.insertBefore(canvas, canvasContainer);
    canvasContainer.parentNode.removeChild(canvasContainer);
    if (Browser.resizeCanvas) {
     Browser.setWindowedCanvasSize();
    } else {
     Browser.updateCanvasDimensions(canvas);
    }
   }
   if (Module["onFullScreen"]) Module["onFullScreen"](Browser.isFullscreen);
   if (Module["onFullscreen"]) Module["onFullscreen"](Browser.isFullscreen);
  }
  if (!Browser.fullscreenHandlersInstalled) {
   Browser.fullscreenHandlersInstalled = true;
   document.addEventListener("fullscreenchange", fullscreenChange, false);
   document.addEventListener("mozfullscreenchange", fullscreenChange, false);
   document.addEventListener("webkitfullscreenchange", fullscreenChange, false);
   document.addEventListener("MSFullscreenChange", fullscreenChange, false);
  }
  var canvasContainer = document.createElement("div");
  canvas.parentNode.insertBefore(canvasContainer, canvas);
  canvasContainer.appendChild(canvas);
  canvasContainer.requestFullscreen = canvasContainer["requestFullscreen"] || canvasContainer["mozRequestFullScreen"] || canvasContainer["msRequestFullscreen"] || (canvasContainer["webkitRequestFullscreen"] ? () => canvasContainer["webkitRequestFullscreen"](Element["ALLOW_KEYBOARD_INPUT"]) : null) || (canvasContainer["webkitRequestFullScreen"] ? () => canvasContainer["webkitRequestFullScreen"](Element["ALLOW_KEYBOARD_INPUT"]) : null);
  canvasContainer.requestFullscreen();
 },
 exitFullscreen: function() {
  if (!Browser.isFullscreen) {
   return false;
  }
  var CFS = document["exitFullscreen"] || document["cancelFullScreen"] || document["mozCancelFullScreen"] || document["msExitFullscreen"] || document["webkitCancelFullScreen"] || function() {};
  CFS.apply(document, []);
  return true;
 },
 nextRAF: 0,
 fakeRequestAnimationFrame: function(func) {
  var now = Date.now();
  if (Browser.nextRAF === 0) {
   Browser.nextRAF = now + 1e3 / 60;
  } else {
   while (now + 2 >= Browser.nextRAF) {
    Browser.nextRAF += 1e3 / 60;
   }
  }
  var delay = Math.max(Browser.nextRAF - now, 0);
  setTimeout(func, delay);
 },
 requestAnimationFrame: function(func) {
  if (typeof requestAnimationFrame == "function") {
   requestAnimationFrame(func);
   return;
  }
  var RAF = Browser.fakeRequestAnimationFrame;
  RAF(func);
 },
 safeSetTimeout: function(func, timeout) {
  return safeSetTimeout(func, timeout);
 },
 safeRequestAnimationFrame: function(func) {
  return Browser.requestAnimationFrame(function() {
   callUserCallback(func);
  });
 },
 getMimetype: function(name) {
  return {
   "jpg": "image/jpeg",
   "jpeg": "image/jpeg",
   "png": "image/png",
   "bmp": "image/bmp",
   "ogg": "audio/ogg",
   "wav": "audio/wav",
   "mp3": "audio/mpeg"
  }[name.substr(name.lastIndexOf(".") + 1)];
 },
 getUserMedia: function(func) {
  if (!window.getUserMedia) {
   window.getUserMedia = navigator["getUserMedia"] || navigator["mozGetUserMedia"];
  }
  window.getUserMedia(func);
 },
 getMovementX: function(event) {
  return event["movementX"] || event["mozMovementX"] || event["webkitMovementX"] || 0;
 },
 getMovementY: function(event) {
  return event["movementY"] || event["mozMovementY"] || event["webkitMovementY"] || 0;
 },
 getMouseWheelDelta: function(event) {
  var delta = 0;
  switch (event.type) {
  case "DOMMouseScroll":
   delta = event.detail / 3;
   break;

  case "mousewheel":
   delta = event.wheelDelta / 120;
   break;

  case "wheel":
   delta = event.deltaY;
   switch (event.deltaMode) {
   case 0:
    delta /= 100;
    break;

   case 1:
    delta /= 3;
    break;

   case 2:
    delta *= 80;
    break;

   default:
    throw "unrecognized mouse wheel delta mode: " + event.deltaMode;
   }
   break;

  default:
   throw "unrecognized mouse wheel event: " + event.type;
  }
  return delta;
 },
 mouseX: 0,
 mouseY: 0,
 mouseMovementX: 0,
 mouseMovementY: 0,
 touches: {},
 lastTouches: {},
 calculateMouseEvent: function(event) {
  if (Browser.pointerLock) {
   if (event.type != "mousemove" && "mozMovementX" in event) {
    Browser.mouseMovementX = Browser.mouseMovementY = 0;
   } else {
    Browser.mouseMovementX = Browser.getMovementX(event);
    Browser.mouseMovementY = Browser.getMovementY(event);
   }
   if (typeof SDL != "undefined") {
    Browser.mouseX = SDL.mouseX + Browser.mouseMovementX;
    Browser.mouseY = SDL.mouseY + Browser.mouseMovementY;
   } else {
    Browser.mouseX += Browser.mouseMovementX;
    Browser.mouseY += Browser.mouseMovementY;
   }
  } else {
   var rect = Module["canvas"].getBoundingClientRect();
   var cw = Module["canvas"].width;
   var ch = Module["canvas"].height;
   var scrollX = typeof window.scrollX != "undefined" ? window.scrollX : window.pageXOffset;
   var scrollY = typeof window.scrollY != "undefined" ? window.scrollY : window.pageYOffset;
   if (event.type === "touchstart" || event.type === "touchend" || event.type === "touchmove") {
    var touch = event.touch;
    if (touch === undefined) {
     return;
    }
    var adjustedX = touch.pageX - (scrollX + rect.left);
    var adjustedY = touch.pageY - (scrollY + rect.top);
    adjustedX = adjustedX * (cw / rect.width);
    adjustedY = adjustedY * (ch / rect.height);
    var coords = {
     x: adjustedX,
     y: adjustedY
    };
    if (event.type === "touchstart") {
     Browser.lastTouches[touch.identifier] = coords;
     Browser.touches[touch.identifier] = coords;
    } else if (event.type === "touchend" || event.type === "touchmove") {
     var last = Browser.touches[touch.identifier];
     if (!last) last = coords;
     Browser.lastTouches[touch.identifier] = last;
     Browser.touches[touch.identifier] = coords;
    }
    return;
   }
   var x = event.pageX - (scrollX + rect.left);
   var y = event.pageY - (scrollY + rect.top);
   x = x * (cw / rect.width);
   y = y * (ch / rect.height);
   Browser.mouseMovementX = x - Browser.mouseX;
   Browser.mouseMovementY = y - Browser.mouseY;
   Browser.mouseX = x;
   Browser.mouseY = y;
  }
 },
 resizeListeners: [],
 updateResizeListeners: function() {
  var canvas = Module["canvas"];
  Browser.resizeListeners.forEach(function(listener) {
   listener(canvas.width, canvas.height);
  });
 },
 setCanvasSize: function(width, height, noUpdates) {
  var canvas = Module["canvas"];
  Browser.updateCanvasDimensions(canvas, width, height);
  if (!noUpdates) Browser.updateResizeListeners();
 },
 windowedWidth: 0,
 windowedHeight: 0,
 setFullscreenCanvasSize: function() {
  if (typeof SDL != "undefined") {
   var flags = HEAPU32[SDL.screen >> 2];
   flags = flags | 8388608;
   HEAP32[SDL.screen >> 2] = flags;
  }
  Browser.updateCanvasDimensions(Module["canvas"]);
  Browser.updateResizeListeners();
 },
 setWindowedCanvasSize: function() {
  if (typeof SDL != "undefined") {
   var flags = HEAPU32[SDL.screen >> 2];
   flags = flags & ~8388608;
   HEAP32[SDL.screen >> 2] = flags;
  }
  Browser.updateCanvasDimensions(Module["canvas"]);
  Browser.updateResizeListeners();
 },
 updateCanvasDimensions: function(canvas, wNative, hNative) {
  if (wNative && hNative) {
   canvas.widthNative = wNative;
   canvas.heightNative = hNative;
  } else {
   wNative = canvas.widthNative;
   hNative = canvas.heightNative;
  }
  var w = wNative;
  var h = hNative;
  if (Module["forcedAspectRatio"] && Module["forcedAspectRatio"] > 0) {
   if (w / h < Module["forcedAspectRatio"]) {
    w = Math.round(h * Module["forcedAspectRatio"]);
   } else {
    h = Math.round(w / Module["forcedAspectRatio"]);
   }
  }
  if ((document["fullscreenElement"] || document["mozFullScreenElement"] || document["msFullscreenElement"] || document["webkitFullscreenElement"] || document["webkitCurrentFullScreenElement"]) === canvas.parentNode && typeof screen != "undefined") {
   var factor = Math.min(screen.width / w, screen.height / h);
   w = Math.round(w * factor);
   h = Math.round(h * factor);
  }
  if (Browser.resizeCanvas) {
   if (canvas.width != w) canvas.width = w;
   if (canvas.height != h) canvas.height = h;
   if (typeof canvas.style != "undefined") {
    canvas.style.removeProperty("width");
    canvas.style.removeProperty("height");
   }
  } else {
   if (canvas.width != wNative) canvas.width = wNative;
   if (canvas.height != hNative) canvas.height = hNative;
   if (typeof canvas.style != "undefined") {
    if (w != wNative || h != hNative) {
     canvas.style.setProperty("width", w + "px", "important");
     canvas.style.setProperty("height", h + "px", "important");
    } else {
     canvas.style.removeProperty("width");
     canvas.style.removeProperty("height");
    }
   }
  }
 }
};

function callRuntimeCallbacks(callbacks) {
 while (callbacks.length > 0) {
  callbacks.shift()(Module);
 }
}

function setErrNo(value) {
 HEAP32[___errno_location() >> 2] = value;
 return value;
}

function ___syscall_fcntl64(fd, cmd, varargs) {
 SYSCALLS.varargs = varargs;
 try {
  var stream = SYSCALLS.getStreamFromFD(fd);
  switch (cmd) {
  case 0:
   {
    var arg = SYSCALLS.get();
    if (arg < 0) {
     return -28;
    }
    var newStream;
    newStream = FS.createStream(stream, arg);
    return newStream.fd;
   }

  case 1:
  case 2:
   return 0;

  case 3:
   return stream.flags;

  case 4:
   {
    var arg = SYSCALLS.get();
    stream.flags |= arg;
    return 0;
   }

  case 5:
   {
    var arg = SYSCALLS.get();
    var offset = 0;
    HEAP16[arg + offset >> 1] = 2;
    return 0;
   }

  case 6:
  case 7:
   return 0;

  case 16:
  case 8:
   return -28;

  case 9:
   setErrNo(28);
   return -1;

  default:
   {
    return -28;
   }
  }
 } catch (e) {
  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
  return -e.errno;
 }
}

function ___syscall_ioctl(fd, op, varargs) {
 SYSCALLS.varargs = varargs;
 try {
  var stream = SYSCALLS.getStreamFromFD(fd);
  switch (op) {
  case 21509:
  case 21505:
   {
    if (!stream.tty) return -59;
    return 0;
   }

  case 21510:
  case 21511:
  case 21512:
  case 21506:
  case 21507:
  case 21508:
   {
    if (!stream.tty) return -59;
    return 0;
   }

  case 21519:
   {
    if (!stream.tty) return -59;
    var argp = SYSCALLS.get();
    HEAP32[argp >> 2] = 0;
    return 0;
   }

  case 21520:
   {
    if (!stream.tty) return -59;
    return -28;
   }

  case 21531:
   {
    var argp = SYSCALLS.get();
    return FS.ioctl(stream, op, argp);
   }

  case 21523:
   {
    if (!stream.tty) return -59;
    return 0;
   }

  case 21524:
   {
    if (!stream.tty) return -59;
    return 0;
   }

  default:
   return -28;
  }
 } catch (e) {
  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
  return -e.errno;
 }
}

function ___syscall_openat(dirfd, path, flags, varargs) {
 SYSCALLS.varargs = varargs;
 try {
  path = SYSCALLS.getStr(path);
  path = SYSCALLS.calculateAt(dirfd, path);
  var mode = varargs ? SYSCALLS.get() : 0;
  return FS.open(path, flags, mode).fd;
 } catch (e) {
  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
  return -e.errno;
 }
}

function ___syscall_stat64(path, buf) {
 try {
  path = SYSCALLS.getStr(path);
  return SYSCALLS.doStat(FS.stat, path, buf);
 } catch (e) {
  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
  return -e.errno;
 }
}

function __dlinit(main_dso_handle) {}

var dlopenMissingError = "To use dlopen, you need enable dynamic linking, see https://github.com/emscripten-core/emscripten/wiki/Linking";

function __dlopen_js(filename, flag) {
 abort(dlopenMissingError);
}

function __dlsym_js(handle, symbol) {
 abort(dlopenMissingError);
}

var nowIsMonotonic = true;

function __emscripten_get_now_is_monotonic() {
 return nowIsMonotonic;
}

function __emscripten_throw_longjmp() {
 throw Infinity;
}

function readI53FromI64(ptr) {
 return HEAPU32[ptr >> 2] + HEAP32[ptr + 4 >> 2] * 4294967296;
}

function __gmtime_js(time, tmPtr) {
 var date = new Date(readI53FromI64(time) * 1e3);
 HEAP32[tmPtr >> 2] = date.getUTCSeconds();
 HEAP32[tmPtr + 4 >> 2] = date.getUTCMinutes();
 HEAP32[tmPtr + 8 >> 2] = date.getUTCHours();
 HEAP32[tmPtr + 12 >> 2] = date.getUTCDate();
 HEAP32[tmPtr + 16 >> 2] = date.getUTCMonth();
 HEAP32[tmPtr + 20 >> 2] = date.getUTCFullYear() - 1900;
 HEAP32[tmPtr + 24 >> 2] = date.getUTCDay();
 var start = Date.UTC(date.getUTCFullYear(), 0, 1, 0, 0, 0, 0);
 var yday = (date.getTime() - start) / (1e3 * 60 * 60 * 24) | 0;
 HEAP32[tmPtr + 28 >> 2] = yday;
}

function __isLeapYear(year) {
 return year % 4 === 0 && (year % 100 !== 0 || year % 400 === 0);
}

var __MONTH_DAYS_LEAP_CUMULATIVE = [ 0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335 ];

var __MONTH_DAYS_REGULAR_CUMULATIVE = [ 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334 ];

function __yday_from_date(date) {
 var isLeapYear = __isLeapYear(date.getFullYear());
 var monthDaysCumulative = isLeapYear ? __MONTH_DAYS_LEAP_CUMULATIVE : __MONTH_DAYS_REGULAR_CUMULATIVE;
 var yday = monthDaysCumulative[date.getMonth()] + date.getDate() - 1;
 return yday;
}

function __localtime_js(time, tmPtr) {
 var date = new Date(readI53FromI64(time) * 1e3);
 HEAP32[tmPtr >> 2] = date.getSeconds();
 HEAP32[tmPtr + 4 >> 2] = date.getMinutes();
 HEAP32[tmPtr + 8 >> 2] = date.getHours();
 HEAP32[tmPtr + 12 >> 2] = date.getDate();
 HEAP32[tmPtr + 16 >> 2] = date.getMonth();
 HEAP32[tmPtr + 20 >> 2] = date.getFullYear() - 1900;
 HEAP32[tmPtr + 24 >> 2] = date.getDay();
 var yday = __yday_from_date(date) | 0;
 HEAP32[tmPtr + 28 >> 2] = yday;
 HEAP32[tmPtr + 36 >> 2] = -(date.getTimezoneOffset() * 60);
 var start = new Date(date.getFullYear(), 0, 1);
 var summerOffset = new Date(date.getFullYear(), 6, 1).getTimezoneOffset();
 var winterOffset = start.getTimezoneOffset();
 var dst = (summerOffset != winterOffset && date.getTimezoneOffset() == Math.min(winterOffset, summerOffset)) | 0;
 HEAP32[tmPtr + 32 >> 2] = dst;
}

function __mktime_js(tmPtr) {
 var date = new Date(HEAP32[tmPtr + 20 >> 2] + 1900, HEAP32[tmPtr + 16 >> 2], HEAP32[tmPtr + 12 >> 2], HEAP32[tmPtr + 8 >> 2], HEAP32[tmPtr + 4 >> 2], HEAP32[tmPtr >> 2], 0);
 var dst = HEAP32[tmPtr + 32 >> 2];
 var guessedOffset = date.getTimezoneOffset();
 var start = new Date(date.getFullYear(), 0, 1);
 var summerOffset = new Date(date.getFullYear(), 6, 1).getTimezoneOffset();
 var winterOffset = start.getTimezoneOffset();
 var dstOffset = Math.min(winterOffset, summerOffset);
 if (dst < 0) {
  HEAP32[tmPtr + 32 >> 2] = Number(summerOffset != winterOffset && dstOffset == guessedOffset);
 } else if (dst > 0 != (dstOffset == guessedOffset)) {
  var nonDstOffset = Math.max(winterOffset, summerOffset);
  var trueOffset = dst > 0 ? dstOffset : nonDstOffset;
  date.setTime(date.getTime() + (trueOffset - guessedOffset) * 6e4);
 }
 HEAP32[tmPtr + 24 >> 2] = date.getDay();
 var yday = __yday_from_date(date) | 0;
 HEAP32[tmPtr + 28 >> 2] = yday;
 HEAP32[tmPtr >> 2] = date.getSeconds();
 HEAP32[tmPtr + 4 >> 2] = date.getMinutes();
 HEAP32[tmPtr + 8 >> 2] = date.getHours();
 HEAP32[tmPtr + 12 >> 2] = date.getDate();
 HEAP32[tmPtr + 16 >> 2] = date.getMonth();
 HEAP32[tmPtr + 20 >> 2] = date.getYear();
 return date.getTime() / 1e3 | 0;
}

function __munmap_js(addr, len, prot, flags, fd, offset) {
 try {
  var stream = SYSCALLS.getStreamFromFD(fd);
  if (prot & 2) {
   SYSCALLS.doMsync(addr, stream, len, flags, offset);
  }
  FS.munmap(stream);
 } catch (e) {
  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
  return -e.errno;
 }
}

function allocateUTF8(str) {
 var size = lengthBytesUTF8(str) + 1;
 var ret = _malloc(size);
 if (ret) stringToUTF8Array(str, HEAP8, ret, size);
 return ret;
}

function __tzset_js(timezone, daylight, tzname) {
 var currentYear = new Date().getFullYear();
 var winter = new Date(currentYear, 0, 1);
 var summer = new Date(currentYear, 6, 1);
 var winterOffset = winter.getTimezoneOffset();
 var summerOffset = summer.getTimezoneOffset();
 var stdTimezoneOffset = Math.max(winterOffset, summerOffset);
 HEAPU32[timezone >> 2] = stdTimezoneOffset * 60;
 HEAP32[daylight >> 2] = Number(winterOffset != summerOffset);
 function extractZone(date) {
  var match = date.toTimeString().match(/\(([A-Za-z ]+)\)$/);
  return match ? match[1] : "GMT";
 }
 var winterName = extractZone(winter);
 var summerName = extractZone(summer);
 var winterNamePtr = allocateUTF8(winterName);
 var summerNamePtr = allocateUTF8(summerName);
 if (summerOffset < winterOffset) {
  HEAPU32[tzname >> 2] = winterNamePtr;
  HEAPU32[tzname + 4 >> 2] = summerNamePtr;
 } else {
  HEAPU32[tzname >> 2] = summerNamePtr;
  HEAPU32[tzname + 4 >> 2] = winterNamePtr;
 }
}

function _abort() {
 abort("");
}

var readEmAsmArgsArray = [];

function readEmAsmArgs(sigPtr, buf) {
 readEmAsmArgsArray.length = 0;
 var ch;
 buf >>= 2;
 while (ch = HEAPU8[sigPtr++]) {
  buf += ch != 105 & buf;
  readEmAsmArgsArray.push(ch == 105 ? HEAP32[buf] : HEAPF64[buf++ >> 1]);
  ++buf;
 }
 return readEmAsmArgsArray;
}

function runEmAsmFunction(code, sigPtr, argbuf) {
 var args = readEmAsmArgs(sigPtr, argbuf);
 return ASM_CONSTS[code].apply(null, args);
}

function _emscripten_asm_const_int(code, sigPtr, argbuf) {
 return runEmAsmFunction(code, sigPtr, argbuf);
}

function _emscripten_date_now() {
 return Date.now();
}

function getHeapMax() {
 return 2147483648;
}

function _emscripten_get_heap_max() {
 return getHeapMax();
}

function _emscripten_memcpy_big(dest, src, num) {
 HEAPU8.copyWithin(dest, src, src + num);
}

function _emscripten_pc_get_function(pc) {
 abort("Cannot use emscripten_pc_get_function without -sUSE_OFFSET_CONVERTER");
}

function emscripten_realloc_buffer(size) {
 try {
  wasmMemory.grow(size - buffer.byteLength + 65535 >>> 16);
  updateGlobalBufferAndViews(wasmMemory.buffer);
  return 1;
 } catch (e) {}
}

function _emscripten_resize_heap(requestedSize) {
 var oldSize = HEAPU8.length;
 requestedSize = requestedSize >>> 0;
 var maxHeapSize = getHeapMax();
 if (requestedSize > maxHeapSize) {
  return false;
 }
 let alignUp = (x, multiple) => x + (multiple - x % multiple) % multiple;
 for (var cutDown = 1; cutDown <= 4; cutDown *= 2) {
  var overGrownHeapSize = oldSize * (1 + .2 / cutDown);
  overGrownHeapSize = Math.min(overGrownHeapSize, requestedSize + 100663296);
  var newSize = Math.min(maxHeapSize, alignUp(Math.max(requestedSize, overGrownHeapSize), 65536));
  var replacement = emscripten_realloc_buffer(newSize);
  if (replacement) {
   return true;
  }
 }
 return false;
}

function convertFrameToPC(frame) {
 abort("Cannot use convertFrameToPC (needed by __builtin_return_address) without -sUSE_OFFSET_CONVERTER");
 return 0;
}

var UNWIND_CACHE = {};

function saveInUnwindCache(callstack) {
 callstack.forEach(frame => {
  var pc = convertFrameToPC(frame);
  if (pc) {
   UNWIND_CACHE[pc] = frame;
  }
 });
}

function jsStackTrace() {
 var error = new Error();
 if (!error.stack) {
  try {
   throw new Error();
  } catch (e) {
   error = e;
  }
  if (!error.stack) {
   return "(no stack trace available)";
  }
 }
 return error.stack.toString();
}

function _emscripten_stack_snapshot() {
 var callstack = jsStackTrace().split("\n");
 if (callstack[0] == "Error") {
  callstack.shift();
 }
 saveInUnwindCache(callstack);
 UNWIND_CACHE.last_addr = convertFrameToPC(callstack[3]);
 UNWIND_CACHE.last_stack = callstack;
 return UNWIND_CACHE.last_addr;
}

function _emscripten_stack_unwind_buffer(addr, buffer, count) {
 var stack;
 if (UNWIND_CACHE.last_addr == addr) {
  stack = UNWIND_CACHE.last_stack;
 } else {
  stack = jsStackTrace().split("\n");
  if (stack[0] == "Error") {
   stack.shift();
  }
  saveInUnwindCache(stack);
 }
 var offset = 3;
 while (stack[offset] && convertFrameToPC(stack[offset]) != addr) {
  ++offset;
 }
 for (var i = 0; i < count && stack[i + offset]; ++i) {
  HEAP32[buffer + i * 4 >> 2] = convertFrameToPC(stack[i + offset]);
 }
 return i;
}

function __webgl_enable_ANGLE_instanced_arrays(ctx) {
 var ext = ctx.getExtension("ANGLE_instanced_arrays");
 if (ext) {
  ctx["vertexAttribDivisor"] = function(index, divisor) {
   ext["vertexAttribDivisorANGLE"](index, divisor);
  };
  ctx["drawArraysInstanced"] = function(mode, first, count, primcount) {
   ext["drawArraysInstancedANGLE"](mode, first, count, primcount);
  };
  ctx["drawElementsInstanced"] = function(mode, count, type, indices, primcount) {
   ext["drawElementsInstancedANGLE"](mode, count, type, indices, primcount);
  };
  return 1;
 }
}

function __webgl_enable_OES_vertex_array_object(ctx) {
 var ext = ctx.getExtension("OES_vertex_array_object");
 if (ext) {
  ctx["createVertexArray"] = function() {
   return ext["createVertexArrayOES"]();
  };
  ctx["deleteVertexArray"] = function(vao) {
   ext["deleteVertexArrayOES"](vao);
  };
  ctx["bindVertexArray"] = function(vao) {
   ext["bindVertexArrayOES"](vao);
  };
  ctx["isVertexArray"] = function(vao) {
   return ext["isVertexArrayOES"](vao);
  };
  return 1;
 }
}

function __webgl_enable_WEBGL_draw_buffers(ctx) {
 var ext = ctx.getExtension("WEBGL_draw_buffers");
 if (ext) {
  ctx["drawBuffers"] = function(n, bufs) {
   ext["drawBuffersWEBGL"](n, bufs);
  };
  return 1;
 }
}

function __webgl_enable_WEBGL_draw_instanced_base_vertex_base_instance(ctx) {
 return !!(ctx.dibvbi = ctx.getExtension("WEBGL_draw_instanced_base_vertex_base_instance"));
}

function __webgl_enable_WEBGL_multi_draw_instanced_base_vertex_base_instance(ctx) {
 return !!(ctx.mdibvbi = ctx.getExtension("WEBGL_multi_draw_instanced_base_vertex_base_instance"));
}

function __webgl_enable_WEBGL_multi_draw(ctx) {
 return !!(ctx.multiDrawWebgl = ctx.getExtension("WEBGL_multi_draw"));
}

var GL = {
 counter: 1,
 buffers: [],
 mappedBuffers: {},
 programs: [],
 framebuffers: [],
 renderbuffers: [],
 textures: [],
 shaders: [],
 vaos: [],
 contexts: [],
 offscreenCanvases: {},
 queries: [],
 samplers: [],
 transformFeedbacks: [],
 syncs: [],
 byteSizeByTypeRoot: 5120,
 byteSizeByType: [ 1, 1, 2, 2, 4, 4, 4, 2, 3, 4, 8 ],
 stringCache: {},
 stringiCache: {},
 unpackAlignment: 4,
 recordError: function recordError(errorCode) {
  if (!GL.lastError) {
   GL.lastError = errorCode;
  }
 },
 getNewId: function(table) {
  var ret = GL.counter++;
  for (var i = table.length; i < ret; i++) {
   table[i] = null;
  }
  return ret;
 },
 MAX_TEMP_BUFFER_SIZE: 2097152,
 numTempVertexBuffersPerSize: 64,
 log2ceilLookup: function(i) {
  return 32 - Math.clz32(i === 0 ? 0 : i - 1);
 },
 generateTempBuffers: function(quads, context) {
  var largestIndex = GL.log2ceilLookup(GL.MAX_TEMP_BUFFER_SIZE);
  context.tempVertexBufferCounters1 = [];
  context.tempVertexBufferCounters2 = [];
  context.tempVertexBufferCounters1.length = context.tempVertexBufferCounters2.length = largestIndex + 1;
  context.tempVertexBuffers1 = [];
  context.tempVertexBuffers2 = [];
  context.tempVertexBuffers1.length = context.tempVertexBuffers2.length = largestIndex + 1;
  context.tempIndexBuffers = [];
  context.tempIndexBuffers.length = largestIndex + 1;
  for (var i = 0; i <= largestIndex; ++i) {
   context.tempIndexBuffers[i] = null;
   context.tempVertexBufferCounters1[i] = context.tempVertexBufferCounters2[i] = 0;
   var ringbufferLength = GL.numTempVertexBuffersPerSize;
   context.tempVertexBuffers1[i] = [];
   context.tempVertexBuffers2[i] = [];
   var ringbuffer1 = context.tempVertexBuffers1[i];
   var ringbuffer2 = context.tempVertexBuffers2[i];
   ringbuffer1.length = ringbuffer2.length = ringbufferLength;
   for (var j = 0; j < ringbufferLength; ++j) {
    ringbuffer1[j] = ringbuffer2[j] = null;
   }
  }
  if (quads) {
   context.tempQuadIndexBuffer = GLctx.createBuffer();
   context.GLctx.bindBuffer(34963, context.tempQuadIndexBuffer);
   var numIndexes = GL.MAX_TEMP_BUFFER_SIZE >> 1;
   var quadIndexes = new Uint16Array(numIndexes);
   var i = 0, v = 0;
   while (1) {
    quadIndexes[i++] = v;
    if (i >= numIndexes) break;
    quadIndexes[i++] = v + 1;
    if (i >= numIndexes) break;
    quadIndexes[i++] = v + 2;
    if (i >= numIndexes) break;
    quadIndexes[i++] = v;
    if (i >= numIndexes) break;
    quadIndexes[i++] = v + 2;
    if (i >= numIndexes) break;
    quadIndexes[i++] = v + 3;
    if (i >= numIndexes) break;
    v += 4;
   }
   context.GLctx.bufferData(34963, quadIndexes, 35044);
   context.GLctx.bindBuffer(34963, null);
  }
 },
 getTempVertexBuffer: function getTempVertexBuffer(sizeBytes) {
  var idx = GL.log2ceilLookup(sizeBytes);
  var ringbuffer = GL.currentContext.tempVertexBuffers1[idx];
  var nextFreeBufferIndex = GL.currentContext.tempVertexBufferCounters1[idx];
  GL.currentContext.tempVertexBufferCounters1[idx] = GL.currentContext.tempVertexBufferCounters1[idx] + 1 & GL.numTempVertexBuffersPerSize - 1;
  var vbo = ringbuffer[nextFreeBufferIndex];
  if (vbo) {
   return vbo;
  }
  var prevVBO = GLctx.getParameter(34964);
  ringbuffer[nextFreeBufferIndex] = GLctx.createBuffer();
  GLctx.bindBuffer(34962, ringbuffer[nextFreeBufferIndex]);
  GLctx.bufferData(34962, 1 << idx, 35048);
  GLctx.bindBuffer(34962, prevVBO);
  return ringbuffer[nextFreeBufferIndex];
 },
 getTempIndexBuffer: function getTempIndexBuffer(sizeBytes) {
  var idx = GL.log2ceilLookup(sizeBytes);
  var ibo = GL.currentContext.tempIndexBuffers[idx];
  if (ibo) {
   return ibo;
  }
  var prevIBO = GLctx.getParameter(34965);
  GL.currentContext.tempIndexBuffers[idx] = GLctx.createBuffer();
  GLctx.bindBuffer(34963, GL.currentContext.tempIndexBuffers[idx]);
  GLctx.bufferData(34963, 1 << idx, 35048);
  GLctx.bindBuffer(34963, prevIBO);
  return GL.currentContext.tempIndexBuffers[idx];
 },
 newRenderingFrameStarted: function newRenderingFrameStarted() {
  if (!GL.currentContext) {
   return;
  }
  var vb = GL.currentContext.tempVertexBuffers1;
  GL.currentContext.tempVertexBuffers1 = GL.currentContext.tempVertexBuffers2;
  GL.currentContext.tempVertexBuffers2 = vb;
  vb = GL.currentContext.tempVertexBufferCounters1;
  GL.currentContext.tempVertexBufferCounters1 = GL.currentContext.tempVertexBufferCounters2;
  GL.currentContext.tempVertexBufferCounters2 = vb;
  var largestIndex = GL.log2ceilLookup(GL.MAX_TEMP_BUFFER_SIZE);
  for (var i = 0; i <= largestIndex; ++i) {
   GL.currentContext.tempVertexBufferCounters1[i] = 0;
  }
 },
 getSource: function(shader, count, string, length) {
  var source = "";
  for (var i = 0; i < count; ++i) {
   var len = length ? HEAP32[length + i * 4 >> 2] : -1;
   source += UTF8ToString(HEAP32[string + i * 4 >> 2], len < 0 ? undefined : len);
  }
  return source;
 },
 calcBufLength: function calcBufLength(size, type, stride, count) {
  if (stride > 0) {
   return count * stride;
  }
  var typeSize = GL.byteSizeByType[type - GL.byteSizeByTypeRoot];
  return size * typeSize * count;
 },
 usedTempBuffers: [],
 preDrawHandleClientVertexAttribBindings: function preDrawHandleClientVertexAttribBindings(count) {
  GL.resetBufferBinding = false;
  for (var i = 0; i < GL.currentContext.maxVertexAttribs; ++i) {
   var cb = GL.currentContext.clientBuffers[i];
   if (!cb.clientside || !cb.enabled) continue;
   GL.resetBufferBinding = true;
   var size = GL.calcBufLength(cb.size, cb.type, cb.stride, count);
   var buf = GL.getTempVertexBuffer(size);
   GLctx.bindBuffer(34962, buf);
   GLctx.bufferSubData(34962, 0, HEAPU8.subarray(cb.ptr, cb.ptr + size));
   cb.vertexAttribPointerAdaptor.call(GLctx, i, cb.size, cb.type, cb.normalized, cb.stride, 0);
  }
 },
 postDrawHandleClientVertexAttribBindings: function postDrawHandleClientVertexAttribBindings() {
  if (GL.resetBufferBinding) {
   GLctx.bindBuffer(34962, GL.buffers[GLctx.currentArrayBufferBinding]);
  }
 },
 createContext: function(canvas, webGLContextAttributes) {
  if (!canvas.getContextSafariWebGL2Fixed) {
   canvas.getContextSafariWebGL2Fixed = canvas.getContext;
   function fixedGetContext(ver, attrs) {
    var gl = canvas.getContextSafariWebGL2Fixed(ver, attrs);
    return ver == "webgl" == gl instanceof WebGLRenderingContext ? gl : null;
   }
   canvas.getContext = fixedGetContext;
  }
  var ctx = webGLContextAttributes.majorVersion > 1 ? canvas.getContext("webgl2", webGLContextAttributes) : canvas.getContext("webgl", webGLContextAttributes);
  if (!ctx) return 0;
  var handle = GL.registerContext(ctx, webGLContextAttributes);
  return handle;
 },
 registerContext: function(ctx, webGLContextAttributes) {
  var handle = GL.getNewId(GL.contexts);
  var context = {
   handle: handle,
   attributes: webGLContextAttributes,
   version: webGLContextAttributes.majorVersion,
   GLctx: ctx
  };
  if (ctx.canvas) ctx.canvas.GLctxObject = context;
  GL.contexts[handle] = context;
  if (typeof webGLContextAttributes.enableExtensionsByDefault == "undefined" || webGLContextAttributes.enableExtensionsByDefault) {
   GL.initExtensions(context);
  }
  context.maxVertexAttribs = context.GLctx.getParameter(34921);
  context.clientBuffers = [];
  for (var i = 0; i < context.maxVertexAttribs; i++) {
   context.clientBuffers[i] = {
    enabled: false,
    clientside: false,
    size: 0,
    type: 0,
    normalized: 0,
    stride: 0,
    ptr: 0,
    vertexAttribPointerAdaptor: null
   };
  }
  GL.generateTempBuffers(false, context);
  return handle;
 },
 makeContextCurrent: function(contextHandle) {
  GL.currentContext = GL.contexts[contextHandle];
  Module.ctx = GLctx = GL.currentContext && GL.currentContext.GLctx;
  return !(contextHandle && !GLctx);
 },
 getContext: function(contextHandle) {
  return GL.contexts[contextHandle];
 },
 deleteContext: function(contextHandle) {
  if (GL.currentContext === GL.contexts[contextHandle]) GL.currentContext = null;
  if (typeof JSEvents == "object") JSEvents.removeAllHandlersOnTarget(GL.contexts[contextHandle].GLctx.canvas);
  if (GL.contexts[contextHandle] && GL.contexts[contextHandle].GLctx.canvas) GL.contexts[contextHandle].GLctx.canvas.GLctxObject = undefined;
  GL.contexts[contextHandle] = null;
 },
 initExtensions: function(context) {
  if (!context) context = GL.currentContext;
  if (context.initExtensionsDone) return;
  context.initExtensionsDone = true;
  var GLctx = context.GLctx;
  __webgl_enable_ANGLE_instanced_arrays(GLctx);
  __webgl_enable_OES_vertex_array_object(GLctx);
  __webgl_enable_WEBGL_draw_buffers(GLctx);
  __webgl_enable_WEBGL_draw_instanced_base_vertex_base_instance(GLctx);
  __webgl_enable_WEBGL_multi_draw_instanced_base_vertex_base_instance(GLctx);
  if (context.version >= 2) {
   GLctx.disjointTimerQueryExt = GLctx.getExtension("EXT_disjoint_timer_query_webgl2");
  }
  if (context.version < 2 || !GLctx.disjointTimerQueryExt) {
   GLctx.disjointTimerQueryExt = GLctx.getExtension("EXT_disjoint_timer_query");
  }
  __webgl_enable_WEBGL_multi_draw(GLctx);
  var exts = GLctx.getSupportedExtensions() || [];
  exts.forEach(function(ext) {
   if (!ext.includes("lose_context") && !ext.includes("debug")) {
    GLctx.getExtension(ext);
   }
  });
 }
};

var JSEvents = {
 inEventHandler: 0,
 removeAllEventListeners: function() {
  for (var i = JSEvents.eventHandlers.length - 1; i >= 0; --i) {
   JSEvents._removeHandler(i);
  }
  JSEvents.eventHandlers = [];
  JSEvents.deferredCalls = [];
 },
 registerRemoveEventListeners: function() {
  if (!JSEvents.removeEventListenersRegistered) {
   __ATEXIT__.push(JSEvents.removeAllEventListeners);
   JSEvents.removeEventListenersRegistered = true;
  }
 },
 deferredCalls: [],
 deferCall: function(targetFunction, precedence, argsList) {
  function arraysHaveEqualContent(arrA, arrB) {
   if (arrA.length != arrB.length) return false;
   for (var i in arrA) {
    if (arrA[i] != arrB[i]) return false;
   }
   return true;
  }
  for (var i in JSEvents.deferredCalls) {
   var call = JSEvents.deferredCalls[i];
   if (call.targetFunction == targetFunction && arraysHaveEqualContent(call.argsList, argsList)) {
    return;
   }
  }
  JSEvents.deferredCalls.push({
   targetFunction: targetFunction,
   precedence: precedence,
   argsList: argsList
  });
  JSEvents.deferredCalls.sort(function(x, y) {
   return x.precedence < y.precedence;
  });
 },
 removeDeferredCalls: function(targetFunction) {
  for (var i = 0; i < JSEvents.deferredCalls.length; ++i) {
   if (JSEvents.deferredCalls[i].targetFunction == targetFunction) {
    JSEvents.deferredCalls.splice(i, 1);
    --i;
   }
  }
 },
 canPerformEventHandlerRequests: function() {
  return JSEvents.inEventHandler && JSEvents.currentEventHandler.allowsDeferredCalls;
 },
 runDeferredCalls: function() {
  if (!JSEvents.canPerformEventHandlerRequests()) {
   return;
  }
  for (var i = 0; i < JSEvents.deferredCalls.length; ++i) {
   var call = JSEvents.deferredCalls[i];
   JSEvents.deferredCalls.splice(i, 1);
   --i;
   call.targetFunction.apply(null, call.argsList);
  }
 },
 eventHandlers: [],
 removeAllHandlersOnTarget: function(target, eventTypeString) {
  for (var i = 0; i < JSEvents.eventHandlers.length; ++i) {
   if (JSEvents.eventHandlers[i].target == target && (!eventTypeString || eventTypeString == JSEvents.eventHandlers[i].eventTypeString)) {
    JSEvents._removeHandler(i--);
   }
  }
 },
 _removeHandler: function(i) {
  var h = JSEvents.eventHandlers[i];
  h.target.removeEventListener(h.eventTypeString, h.eventListenerFunc, h.useCapture);
  JSEvents.eventHandlers.splice(i, 1);
 },
 registerOrRemoveHandler: function(eventHandler) {
  var jsEventHandler = function jsEventHandler(event) {
   ++JSEvents.inEventHandler;
   JSEvents.currentEventHandler = eventHandler;
   JSEvents.runDeferredCalls();
   eventHandler.handlerFunc(event);
   JSEvents.runDeferredCalls();
   --JSEvents.inEventHandler;
  };
  if (eventHandler.callbackfunc) {
   eventHandler.eventListenerFunc = jsEventHandler;
   eventHandler.target.addEventListener(eventHandler.eventTypeString, jsEventHandler, eventHandler.useCapture);
   JSEvents.eventHandlers.push(eventHandler);
   JSEvents.registerRemoveEventListeners();
  } else {
   for (var i = 0; i < JSEvents.eventHandlers.length; ++i) {
    if (JSEvents.eventHandlers[i].target == eventHandler.target && JSEvents.eventHandlers[i].eventTypeString == eventHandler.eventTypeString) {
     JSEvents._removeHandler(i--);
    }
   }
  }
 },
 getNodeNameForTarget: function(target) {
  if (!target) return "";
  if (target == window) return "#window";
  if (target == screen) return "#screen";
  return target && target.nodeName ? target.nodeName : "";
 },
 fullscreenEnabled: function() {
  return document.fullscreenEnabled || document.webkitFullscreenEnabled;
 }
};

var __emscripten_webgl_power_preferences = [ "default", "low-power", "high-performance" ];

var specialHTMLTargets = [ 0, typeof document != "undefined" ? document : 0, typeof window != "undefined" ? window : 0 ];

function findEventTarget(target) {
 try {
  if (!target) return window;
  if (typeof target == "number") target = specialHTMLTargets[target] || UTF8ToString(target);
  if (target === "#window") return window; else if (target === "#document") return document; else if (target === "#screen") return screen; else if (target === "#canvas") return Module["canvas"];
  return typeof target == "string" ? document.getElementById(target) : target;
 } catch (e) {
  return null;
 }
}

function findCanvasEventTarget(target) {
 if (typeof target == "number") target = UTF8ToString(target);
 if (!target || target === "#canvas") {
  if (typeof GL != "undefined" && GL.offscreenCanvases["canvas"]) return GL.offscreenCanvases["canvas"];
  return Module["canvas"];
 }
 if (typeof GL != "undefined" && GL.offscreenCanvases[target]) return GL.offscreenCanvases[target];
 return findEventTarget(target);
}

function _emscripten_webgl_do_create_context(target, attributes) {
 var a = attributes >> 2;
 var powerPreference = HEAP32[a + (24 >> 2)];
 var contextAttributes = {
  "alpha": !!HEAP32[a + (0 >> 2)],
  "depth": !!HEAP32[a + (4 >> 2)],
  "stencil": !!HEAP32[a + (8 >> 2)],
  "antialias": !!HEAP32[a + (12 >> 2)],
  "premultipliedAlpha": !!HEAP32[a + (16 >> 2)],
  "preserveDrawingBuffer": !!HEAP32[a + (20 >> 2)],
  "powerPreference": __emscripten_webgl_power_preferences[powerPreference],
  "failIfMajorPerformanceCaveat": !!HEAP32[a + (28 >> 2)],
  majorVersion: HEAP32[a + (32 >> 2)],
  minorVersion: HEAP32[a + (36 >> 2)],
  enableExtensionsByDefault: HEAP32[a + (40 >> 2)],
  explicitSwapControl: HEAP32[a + (44 >> 2)],
  proxyContextToMainThread: HEAP32[a + (48 >> 2)],
  renderViaOffscreenBackBuffer: HEAP32[a + (52 >> 2)]
 };
 var canvas = findCanvasEventTarget(target);
 if (!canvas) {
  return 0;
 }
 if (contextAttributes.explicitSwapControl) {
  return 0;
 }
 var contextHandle = GL.createContext(canvas, contextAttributes);
 return contextHandle;
}

var _emscripten_webgl_create_context = _emscripten_webgl_do_create_context;

function _emscripten_webgl_destroy_context(contextHandle) {
 if (GL.currentContext == contextHandle) GL.currentContext = 0;
 GL.deleteContext(contextHandle);
}

function _emscripten_webgl_get_context_attributes(c, a) {
 if (!a) return -5;
 c = GL.contexts[c];
 if (!c) return -3;
 var t = c.GLctx;
 if (!t) return -3;
 t = t.getContextAttributes();
 HEAP32[a >> 2] = t.alpha;
 HEAP32[a + 4 >> 2] = t.depth;
 HEAP32[a + 8 >> 2] = t.stencil;
 HEAP32[a + 12 >> 2] = t.antialias;
 HEAP32[a + 16 >> 2] = t.premultipliedAlpha;
 HEAP32[a + 20 >> 2] = t.preserveDrawingBuffer;
 var power = t["powerPreference"] && __emscripten_webgl_power_preferences.indexOf(t["powerPreference"]);
 HEAP32[a + 24 >> 2] = power;
 HEAP32[a + 28 >> 2] = t.failIfMajorPerformanceCaveat;
 HEAP32[a + 32 >> 2] = c.version;
 HEAP32[a + 36 >> 2] = 0;
 HEAP32[a + 40 >> 2] = c.attributes.enableExtensionsByDefault;
 return 0;
}

function _emscripten_webgl_do_get_current_context() {
 return GL.currentContext ? GL.currentContext.handle : 0;
}

var _emscripten_webgl_get_current_context = _emscripten_webgl_do_get_current_context;

function _emscripten_webgl_init_context_attributes(attributes) {
 var a = attributes >> 2;
 for (var i = 0; i < 56 >> 2; ++i) {
  HEAP32[a + i] = 0;
 }
 HEAP32[a + (0 >> 2)] = HEAP32[a + (4 >> 2)] = HEAP32[a + (12 >> 2)] = HEAP32[a + (16 >> 2)] = HEAP32[a + (32 >> 2)] = HEAP32[a + (40 >> 2)] = 1;
}

function _emscripten_webgl_make_context_current(contextHandle) {
 var success = GL.makeContextCurrent(contextHandle);
 return success ? 0 : -5;
}

var ENV = {};

function getExecutableName() {
 return thisProgram || "./this.program";
}

function getEnvStrings() {
 if (!getEnvStrings.strings) {
  var lang = (typeof navigator == "object" && navigator.languages && navigator.languages[0] || "C").replace("-", "_") + ".UTF-8";
  var env = {
   "USER": "web_user",
   "LOGNAME": "web_user",
   "PATH": "/",
   "PWD": "/",
   "HOME": "/home/web_user",
   "LANG": lang,
   "_": getExecutableName()
  };
  for (var x in ENV) {
   if (ENV[x] === undefined) delete env[x]; else env[x] = ENV[x];
  }
  var strings = [];
  for (var x in env) {
   strings.push(x + "=" + env[x]);
  }
  getEnvStrings.strings = strings;
 }
 return getEnvStrings.strings;
}

function writeAsciiToMemory(str, buffer, dontAddNull) {
 for (var i = 0; i < str.length; ++i) {
  HEAP8[buffer++ >> 0] = str.charCodeAt(i);
 }
 if (!dontAddNull) HEAP8[buffer >> 0] = 0;
}

function _environ_get(__environ, environ_buf) {
 var bufSize = 0;
 getEnvStrings().forEach(function(string, i) {
  var ptr = environ_buf + bufSize;
  HEAPU32[__environ + i * 4 >> 2] = ptr;
  writeAsciiToMemory(string, ptr);
  bufSize += string.length + 1;
 });
 return 0;
}

function _environ_sizes_get(penviron_count, penviron_buf_size) {
 var strings = getEnvStrings();
 HEAPU32[penviron_count >> 2] = strings.length;
 var bufSize = 0;
 strings.forEach(function(string) {
  bufSize += string.length + 1;
 });
 HEAPU32[penviron_buf_size >> 2] = bufSize;
 return 0;
}

function _fd_close(fd) {
 try {
  var stream = SYSCALLS.getStreamFromFD(fd);
  FS.close(stream);
  return 0;
 } catch (e) {
  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
  return e.errno;
 }
}

function doReadv(stream, iov, iovcnt, offset) {
 var ret = 0;
 for (var i = 0; i < iovcnt; i++) {
  var ptr = HEAPU32[iov >> 2];
  var len = HEAPU32[iov + 4 >> 2];
  iov += 8;
  var curr = FS.read(stream, HEAP8, ptr, len, offset);
  if (curr < 0) return -1;
  ret += curr;
  if (curr < len) break;
 }
 return ret;
}

function _fd_read(fd, iov, iovcnt, pnum) {
 try {
  var stream = SYSCALLS.getStreamFromFD(fd);
  var num = doReadv(stream, iov, iovcnt);
  HEAPU32[pnum >> 2] = num;
  return 0;
 } catch (e) {
  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
  return e.errno;
 }
}

function convertI32PairToI53Checked(lo, hi) {
 return hi + 2097152 >>> 0 < 4194305 - !!lo ? (lo >>> 0) + hi * 4294967296 : NaN;
}

function _fd_seek(fd, offset_low, offset_high, whence, newOffset) {
 try {
  var offset = convertI32PairToI53Checked(offset_low, offset_high);
  if (isNaN(offset)) return 61;
  var stream = SYSCALLS.getStreamFromFD(fd);
  FS.llseek(stream, offset, whence);
  tempI64 = [ stream.position >>> 0, (tempDouble = stream.position, +Math.abs(tempDouble) >= 1 ? tempDouble > 0 ? (Math.min(+Math.floor(tempDouble / 4294967296), 4294967295) | 0) >>> 0 : ~~+Math.ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0 : 0) ], 
  HEAP32[newOffset >> 2] = tempI64[0], HEAP32[newOffset + 4 >> 2] = tempI64[1];
  if (stream.getdents && offset === 0 && whence === 0) stream.getdents = null;
  return 0;
 } catch (e) {
  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
  return e.errno;
 }
}

function doWritev(stream, iov, iovcnt, offset) {
 var ret = 0;
 for (var i = 0; i < iovcnt; i++) {
  var ptr = HEAPU32[iov >> 2];
  var len = HEAPU32[iov + 4 >> 2];
  iov += 8;
  var curr = FS.write(stream, HEAP8, ptr, len, offset);
  if (curr < 0) return -1;
  ret += curr;
 }
 return ret;
}

function _fd_write(fd, iov, iovcnt, pnum) {
 try {
  var stream = SYSCALLS.getStreamFromFD(fd);
  var num = doWritev(stream, iov, iovcnt);
  HEAPU32[pnum >> 2] = num;
  return 0;
 } catch (e) {
  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
  return e.errno;
 }
}

function _getentropy(buffer, size) {
 if (!_getentropy.randomDevice) {
  _getentropy.randomDevice = getRandomDevice();
 }
 for (var i = 0; i < size; i++) {
  HEAP8[buffer + i >> 0] = _getentropy.randomDevice();
 }
 return 0;
}

function _glActiveTexture(x0) {
 GLctx["activeTexture"](x0);
}

function _glAttachShader(program, shader) {
 GLctx.attachShader(GL.programs[program], GL.shaders[shader]);
}

function _glBindAttribLocation(program, index, name) {
 GLctx.bindAttribLocation(GL.programs[program], index, UTF8ToString(name));
}

function _glBindBuffer(target, buffer) {
 if (target == 34962) {
  GLctx.currentArrayBufferBinding = buffer;
 } else if (target == 34963) {
  GLctx.currentElementArrayBufferBinding = buffer;
 }
 if (target == 35051) {
  GLctx.currentPixelPackBufferBinding = buffer;
 } else if (target == 35052) {
  GLctx.currentPixelUnpackBufferBinding = buffer;
 }
 GLctx.bindBuffer(target, GL.buffers[buffer]);
}

function _glBindBufferBase(target, index, buffer) {
 GLctx["bindBufferBase"](target, index, GL.buffers[buffer]);
}

function _glBindFramebuffer(target, framebuffer) {
 GLctx.bindFramebuffer(target, GL.framebuffers[framebuffer]);
}

function _glBindTexture(target, texture) {
 GLctx.bindTexture(target, GL.textures[texture]);
}

function _glBufferData(target, size, data, usage) {
 if (GL.currentContext.version >= 2) {
  if (data && size) {
   GLctx.bufferData(target, HEAPU8, usage, data, size);
  } else {
   GLctx.bufferData(target, size, usage);
  }
 } else {
  GLctx.bufferData(target, data ? HEAPU8.subarray(data, data + size) : size, usage);
 }
}

function _glClear(x0) {
 GLctx["clear"](x0);
}

function convertI32PairToI53(lo, hi) {
 return (lo >>> 0) + hi * 4294967296;
}

function _glClientWaitSync(sync, flags, timeoutLo, timeoutHi) {
 return GLctx.clientWaitSync(GL.syncs[sync], flags, convertI32PairToI53(timeoutLo, timeoutHi));
}

function _glCompileShader(shader) {
 GLctx.compileShader(GL.shaders[shader]);
}

function _glCreateProgram() {
 var id = GL.getNewId(GL.programs);
 var program = GLctx.createProgram();
 program.name = id;
 program.maxUniformLength = program.maxAttributeLength = program.maxUniformBlockNameLength = 0;
 program.uniformIdCounter = 1;
 GL.programs[id] = program;
 return id;
}

function _glCreateShader(shaderType) {
 var id = GL.getNewId(GL.shaders);
 GL.shaders[id] = GLctx.createShader(shaderType);
 return id;
}

function _glDeleteBuffers(n, buffers) {
 for (var i = 0; i < n; i++) {
  var id = HEAP32[buffers + i * 4 >> 2];
  var buffer = GL.buffers[id];
  if (!buffer) continue;
  GLctx.deleteBuffer(buffer);
  buffer.name = 0;
  GL.buffers[id] = null;
  if (id == GLctx.currentArrayBufferBinding) GLctx.currentArrayBufferBinding = 0;
  if (id == GLctx.currentElementArrayBufferBinding) GLctx.currentElementArrayBufferBinding = 0;
  if (id == GLctx.currentPixelPackBufferBinding) GLctx.currentPixelPackBufferBinding = 0;
  if (id == GLctx.currentPixelUnpackBufferBinding) GLctx.currentPixelUnpackBufferBinding = 0;
 }
}

function _glDeleteFramebuffers(n, framebuffers) {
 for (var i = 0; i < n; ++i) {
  var id = HEAP32[framebuffers + i * 4 >> 2];
  var framebuffer = GL.framebuffers[id];
  if (!framebuffer) continue;
  GLctx.deleteFramebuffer(framebuffer);
  framebuffer.name = 0;
  GL.framebuffers[id] = null;
 }
}

function _glDeleteProgram(id) {
 if (!id) return;
 var program = GL.programs[id];
 if (!program) {
  GL.recordError(1281);
  return;
 }
 GLctx.deleteProgram(program);
 program.name = 0;
 GL.programs[id] = null;
}

function _glDeleteShader(id) {
 if (!id) return;
 var shader = GL.shaders[id];
 if (!shader) {
  GL.recordError(1281);
  return;
 }
 GLctx.deleteShader(shader);
 GL.shaders[id] = null;
}

function _glDeleteSync(id) {
 if (!id) return;
 var sync = GL.syncs[id];
 if (!sync) {
  GL.recordError(1281);
  return;
 }
 GLctx.deleteSync(sync);
 sync.name = 0;
 GL.syncs[id] = null;
}

function _glDeleteTextures(n, textures) {
 for (var i = 0; i < n; i++) {
  var id = HEAP32[textures + i * 4 >> 2];
  var texture = GL.textures[id];
  if (!texture) continue;
  GLctx.deleteTexture(texture);
  texture.name = 0;
  GL.textures[id] = null;
 }
}

function _glDisable(x0) {
 GLctx["disable"](x0);
}

function _glDisableVertexAttribArray(index) {
 var cb = GL.currentContext.clientBuffers[index];
 cb.enabled = false;
 GLctx.disableVertexAttribArray(index);
}

function _glDrawArrays(mode, first, count) {
 GL.preDrawHandleClientVertexAttribBindings(first + count);
 GLctx.drawArrays(mode, first, count);
 GL.postDrawHandleClientVertexAttribBindings();
}

var tempFixedLengthArray = [];

function _glDrawBuffers(n, bufs) {
 var bufArray = tempFixedLengthArray[n];
 for (var i = 0; i < n; i++) {
  bufArray[i] = HEAP32[bufs + i * 4 >> 2];
 }
 GLctx["drawBuffers"](bufArray);
}

function _glEnableVertexAttribArray(index) {
 var cb = GL.currentContext.clientBuffers[index];
 cb.enabled = true;
 GLctx.enableVertexAttribArray(index);
}

function _glFenceSync(condition, flags) {
 var sync = GLctx.fenceSync(condition, flags);
 if (sync) {
  var id = GL.getNewId(GL.syncs);
  sync.name = id;
  GL.syncs[id] = sync;
  return id;
 }
 return 0;
}

function _glFinish() {
 GLctx["finish"]();
}

function _glFlush() {
 GLctx["flush"]();
}

function _glFramebufferTexture2D(target, attachment, textarget, texture, level) {
 GLctx.framebufferTexture2D(target, attachment, textarget, GL.textures[texture], level);
}

function _glFramebufferTextureLayer(target, attachment, texture, level, layer) {
 GLctx.framebufferTextureLayer(target, attachment, GL.textures[texture], level, layer);
}

function __glGenObject(n, buffers, createFunction, objectTable) {
 for (var i = 0; i < n; i++) {
  var buffer = GLctx[createFunction]();
  var id = buffer && GL.getNewId(objectTable);
  if (buffer) {
   buffer.name = id;
   objectTable[id] = buffer;
  } else {
   GL.recordError(1282);
  }
  HEAP32[buffers + i * 4 >> 2] = id;
 }
}

function _glGenBuffers(n, buffers) {
 __glGenObject(n, buffers, "createBuffer", GL.buffers);
}

function _glGenFramebuffers(n, ids) {
 __glGenObject(n, ids, "createFramebuffer", GL.framebuffers);
}

function _glGenTextures(n, textures) {
 __glGenObject(n, textures, "createTexture", GL.textures);
}

function _glGetAttribLocation(program, name) {
 return GLctx.getAttribLocation(GL.programs[program], UTF8ToString(name));
}

function _glGetError() {
 var error = GLctx.getError() || GL.lastError;
 GL.lastError = 0;
 return error;
}

function writeI53ToI64(ptr, num) {
 HEAPU32[ptr >> 2] = num;
 HEAPU32[ptr + 4 >> 2] = (num - HEAPU32[ptr >> 2]) / 4294967296;
}

function emscriptenWebGLGet(name_, p, type) {
 if (!p) {
  GL.recordError(1281);
  return;
 }
 var ret = undefined;
 switch (name_) {
 case 36346:
  ret = 1;
  break;

 case 36344:
  if (type != 0 && type != 1) {
   GL.recordError(1280);
  }
  return;

 case 34814:
 case 36345:
  ret = 0;
  break;

 case 34466:
  var formats = GLctx.getParameter(34467);
  ret = formats ? formats.length : 0;
  break;

 case 33309:
  if (GL.currentContext.version < 2) {
   GL.recordError(1282);
   return;
  }
  var exts = GLctx.getSupportedExtensions() || [];
  ret = 2 * exts.length;
  break;

 case 33307:
 case 33308:
  if (GL.currentContext.version < 2) {
   GL.recordError(1280);
   return;
  }
  ret = name_ == 33307 ? 3 : 0;
  break;
 }
 if (ret === undefined) {
  var result = GLctx.getParameter(name_);
  switch (typeof result) {
  case "number":
   ret = result;
   break;

  case "boolean":
   ret = result ? 1 : 0;
   break;

  case "string":
   GL.recordError(1280);
   return;

  case "object":
   if (result === null) {
    switch (name_) {
    case 34964:
    case 35725:
    case 34965:
    case 36006:
    case 36007:
    case 32873:
    case 34229:
    case 36662:
    case 36663:
    case 35053:
    case 35055:
    case 36010:
    case 35097:
    case 35869:
    case 32874:
    case 36389:
    case 35983:
    case 35368:
    case 34068:
     {
      ret = 0;
      break;
     }

    default:
     {
      GL.recordError(1280);
      return;
     }
    }
   } else if (result instanceof Float32Array || result instanceof Uint32Array || result instanceof Int32Array || result instanceof Array) {
    for (var i = 0; i < result.length; ++i) {
     switch (type) {
     case 0:
      HEAP32[p + i * 4 >> 2] = result[i];
      break;

     case 2:
      HEAPF32[p + i * 4 >> 2] = result[i];
      break;

     case 4:
      HEAP8[p + i >> 0] = result[i] ? 1 : 0;
      break;
     }
    }
    return;
   } else {
    try {
     ret = result.name | 0;
    } catch (e) {
     GL.recordError(1280);
     err("GL_INVALID_ENUM in glGet" + type + "v: Unknown object returned from WebGL getParameter(" + name_ + ")! (error: " + e + ")");
     return;
    }
   }
   break;

  default:
   GL.recordError(1280);
   err("GL_INVALID_ENUM in glGet" + type + "v: Native code calling glGet" + type + "v(" + name_ + ") and it returns " + result + " of type " + typeof result + "!");
   return;
  }
 }
 switch (type) {
 case 1:
  writeI53ToI64(p, ret);
  break;

 case 0:
  HEAP32[p >> 2] = ret;
  break;

 case 2:
  HEAPF32[p >> 2] = ret;
  break;

 case 4:
  HEAP8[p >> 0] = ret ? 1 : 0;
  break;
 }
}

function _glGetIntegerv(name_, p) {
 emscriptenWebGLGet(name_, p, 0);
}

function _glGetProgramiv(program, pname, p) {
 if (!p) {
  GL.recordError(1281);
  return;
 }
 if (program >= GL.counter) {
  GL.recordError(1281);
  return;
 }
 program = GL.programs[program];
 if (pname == 35716) {
  var log = GLctx.getProgramInfoLog(program);
  if (log === null) log = "(unknown error)";
  HEAP32[p >> 2] = log.length + 1;
 } else if (pname == 35719) {
  if (!program.maxUniformLength) {
   for (var i = 0; i < GLctx.getProgramParameter(program, 35718); ++i) {
    program.maxUniformLength = Math.max(program.maxUniformLength, GLctx.getActiveUniform(program, i).name.length + 1);
   }
  }
  HEAP32[p >> 2] = program.maxUniformLength;
 } else if (pname == 35722) {
  if (!program.maxAttributeLength) {
   for (var i = 0; i < GLctx.getProgramParameter(program, 35721); ++i) {
    program.maxAttributeLength = Math.max(program.maxAttributeLength, GLctx.getActiveAttrib(program, i).name.length + 1);
   }
  }
  HEAP32[p >> 2] = program.maxAttributeLength;
 } else if (pname == 35381) {
  if (!program.maxUniformBlockNameLength) {
   for (var i = 0; i < GLctx.getProgramParameter(program, 35382); ++i) {
    program.maxUniformBlockNameLength = Math.max(program.maxUniformBlockNameLength, GLctx.getActiveUniformBlockName(program, i).length + 1);
   }
  }
  HEAP32[p >> 2] = program.maxUniformBlockNameLength;
 } else {
  HEAP32[p >> 2] = GLctx.getProgramParameter(program, pname);
 }
}

function _glGetShaderInfoLog(shader, maxLength, length, infoLog) {
 var log = GLctx.getShaderInfoLog(GL.shaders[shader]);
 if (log === null) log = "(unknown error)";
 var numBytesWrittenExclNull = maxLength > 0 && infoLog ? stringToUTF8(log, infoLog, maxLength) : 0;
 if (length) HEAP32[length >> 2] = numBytesWrittenExclNull;
}

function _glGetShaderiv(shader, pname, p) {
 if (!p) {
  GL.recordError(1281);
  return;
 }
 if (pname == 35716) {
  var log = GLctx.getShaderInfoLog(GL.shaders[shader]);
  if (log === null) log = "(unknown error)";
  var logLength = log ? log.length + 1 : 0;
  HEAP32[p >> 2] = logLength;
 } else if (pname == 35720) {
  var source = GLctx.getShaderSource(GL.shaders[shader]);
  var sourceLength = source ? source.length + 1 : 0;
  HEAP32[p >> 2] = sourceLength;
 } else {
  HEAP32[p >> 2] = GLctx.getShaderParameter(GL.shaders[shader], pname);
 }
}

function stringToNewUTF8(jsString) {
 var length = lengthBytesUTF8(jsString) + 1;
 var cString = _malloc(length);
 stringToUTF8(jsString, cString, length);
 return cString;
}

function _glGetString(name_) {
 var ret = GL.stringCache[name_];
 if (!ret) {
  switch (name_) {
  case 7939:
   var exts = GLctx.getSupportedExtensions() || [];
   exts = exts.concat(exts.map(function(e) {
    return "GL_" + e;
   }));
   ret = stringToNewUTF8(exts.join(" "));
   break;

  case 7936:
  case 7937:
  case 37445:
  case 37446:
   var s = GLctx.getParameter(name_);
   if (!s) {
    GL.recordError(1280);
   }
   ret = s && stringToNewUTF8(s);
   break;

  case 7938:
   var glVersion = GLctx.getParameter(7938);
   if (GL.currentContext.version >= 2) glVersion = "OpenGL ES 3.0 (" + glVersion + ")"; else {
    glVersion = "OpenGL ES 2.0 (" + glVersion + ")";
   }
   ret = stringToNewUTF8(glVersion);
   break;

  case 35724:
   var glslVersion = GLctx.getParameter(35724);
   var ver_re = /^WebGL GLSL ES ([0-9]\.[0-9][0-9]?)(?:$| .*)/;
   var ver_num = glslVersion.match(ver_re);
   if (ver_num !== null) {
    if (ver_num[1].length == 3) ver_num[1] = ver_num[1] + "0";
    glslVersion = "OpenGL ES GLSL ES " + ver_num[1] + " (" + glslVersion + ")";
   }
   ret = stringToNewUTF8(glslVersion);
   break;

  default:
   GL.recordError(1280);
  }
  GL.stringCache[name_] = ret;
 }
 return ret;
}

function _glGetUniformBlockIndex(program, uniformBlockName) {
 return GLctx["getUniformBlockIndex"](GL.programs[program], UTF8ToString(uniformBlockName));
}

function jstoi_q(str) {
 return parseInt(str);
}

function webglGetLeftBracePos(name) {
 return name.slice(-1) == "]" && name.lastIndexOf("[");
}

function webglPrepareUniformLocationsBeforeFirstUse(program) {
 var uniformLocsById = program.uniformLocsById, uniformSizeAndIdsByName = program.uniformSizeAndIdsByName, i, j;
 if (!uniformLocsById) {
  program.uniformLocsById = uniformLocsById = {};
  program.uniformArrayNamesById = {};
  for (i = 0; i < GLctx.getProgramParameter(program, 35718); ++i) {
   var u = GLctx.getActiveUniform(program, i);
   var nm = u.name;
   var sz = u.size;
   var lb = webglGetLeftBracePos(nm);
   var arrayName = lb > 0 ? nm.slice(0, lb) : nm;
   var id = program.uniformIdCounter;
   program.uniformIdCounter += sz;
   uniformSizeAndIdsByName[arrayName] = [ sz, id ];
   for (j = 0; j < sz; ++j) {
    uniformLocsById[id] = j;
    program.uniformArrayNamesById[id++] = arrayName;
   }
  }
 }
}

function _glGetUniformLocation(program, name) {
 name = UTF8ToString(name);
 if (program = GL.programs[program]) {
  webglPrepareUniformLocationsBeforeFirstUse(program);
  var uniformLocsById = program.uniformLocsById;
  var arrayIndex = 0;
  var uniformBaseName = name;
  var leftBrace = webglGetLeftBracePos(name);
  if (leftBrace > 0) {
   arrayIndex = jstoi_q(name.slice(leftBrace + 1)) >>> 0;
   uniformBaseName = name.slice(0, leftBrace);
  }
  var sizeAndId = program.uniformSizeAndIdsByName[uniformBaseName];
  if (sizeAndId && arrayIndex < sizeAndId[0]) {
   arrayIndex += sizeAndId[1];
   if (uniformLocsById[arrayIndex] = uniformLocsById[arrayIndex] || GLctx.getUniformLocation(program, name)) {
    return arrayIndex;
   }
  }
 } else {
  GL.recordError(1281);
 }
 return -1;
}

function _glLinkProgram(program) {
 program = GL.programs[program];
 GLctx.linkProgram(program);
 program.uniformLocsById = 0;
 program.uniformSizeAndIdsByName = {};
}

function _glPixelStorei(pname, param) {
 if (pname == 3317) {
  GL.unpackAlignment = param;
 }
 GLctx.pixelStorei(pname, param);
}

function computeUnpackAlignedImageSize(width, height, sizePerPixel, alignment) {
 function roundedToNextMultipleOf(x, y) {
  return x + y - 1 & -y;
 }
 var plainRowSize = width * sizePerPixel;
 var alignedRowSize = roundedToNextMultipleOf(plainRowSize, alignment);
 return height * alignedRowSize;
}

function __colorChannelsInGlTextureFormat(format) {
 var colorChannels = {
  5: 3,
  6: 4,
  8: 2,
  29502: 3,
  29504: 4,
  26917: 2,
  26918: 2,
  29846: 3,
  29847: 4
 };
 return colorChannels[format - 6402] || 1;
}

function heapObjectForWebGLType(type) {
 type -= 5120;
 if (type == 0) return HEAP8;
 if (type == 1) return HEAPU8;
 if (type == 2) return HEAP16;
 if (type == 4) return HEAP32;
 if (type == 6) return HEAPF32;
 if (type == 5 || type == 28922 || type == 28520 || type == 30779 || type == 30782) return HEAPU32;
 return HEAPU16;
}

function heapAccessShiftForWebGLHeap(heap) {
 return 31 - Math.clz32(heap.BYTES_PER_ELEMENT);
}

function emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, internalFormat) {
 var heap = heapObjectForWebGLType(type);
 var shift = heapAccessShiftForWebGLHeap(heap);
 var byteSize = 1 << shift;
 var sizePerPixel = __colorChannelsInGlTextureFormat(format) * byteSize;
 var bytes = computeUnpackAlignedImageSize(width, height, sizePerPixel, GL.unpackAlignment);
 return heap.subarray(pixels >> shift, pixels + bytes >> shift);
}

function _glReadPixels(x, y, width, height, format, type, pixels) {
 if (GL.currentContext.version >= 2) {
  if (GLctx.currentPixelPackBufferBinding) {
   GLctx.readPixels(x, y, width, height, format, type, pixels);
  } else {
   var heap = heapObjectForWebGLType(type);
   GLctx.readPixels(x, y, width, height, format, type, heap, pixels >> heapAccessShiftForWebGLHeap(heap));
  }
  return;
 }
 var pixelData = emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, format);
 if (!pixelData) {
  GL.recordError(1280);
  return;
 }
 GLctx.readPixels(x, y, width, height, format, type, pixelData);
}

function _glShaderSource(shader, count, string, length) {
 var source = GL.getSource(shader, count, string, length);
 GLctx.shaderSource(GL.shaders[shader], source);
}

function _glTexImage2D(target, level, internalFormat, width, height, border, format, type, pixels) {
 if (GL.currentContext.version >= 2) {
  if (GLctx.currentPixelUnpackBufferBinding) {
   GLctx.texImage2D(target, level, internalFormat, width, height, border, format, type, pixels);
  } else if (pixels) {
   var heap = heapObjectForWebGLType(type);
   GLctx.texImage2D(target, level, internalFormat, width, height, border, format, type, heap, pixels >> heapAccessShiftForWebGLHeap(heap));
  } else {
   GLctx.texImage2D(target, level, internalFormat, width, height, border, format, type, null);
  }
  return;
 }
 GLctx.texImage2D(target, level, internalFormat, width, height, border, format, type, pixels ? emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, internalFormat) : null);
}

function _glTexParameteri(x0, x1, x2) {
 GLctx["texParameteri"](x0, x1, x2);
}

function _glTexStorage2D(x0, x1, x2, x3, x4) {
 GLctx["texStorage2D"](x0, x1, x2, x3, x4);
}

function _glTexStorage3D(x0, x1, x2, x3, x4, x5) {
 GLctx["texStorage3D"](x0, x1, x2, x3, x4, x5);
}

function _glTexSubImage2D(target, level, xoffset, yoffset, width, height, format, type, pixels) {
 if (GL.currentContext.version >= 2) {
  if (GLctx.currentPixelUnpackBufferBinding) {
   GLctx.texSubImage2D(target, level, xoffset, yoffset, width, height, format, type, pixels);
  } else if (pixels) {
   var heap = heapObjectForWebGLType(type);
   GLctx.texSubImage2D(target, level, xoffset, yoffset, width, height, format, type, heap, pixels >> heapAccessShiftForWebGLHeap(heap));
  } else {
   GLctx.texSubImage2D(target, level, xoffset, yoffset, width, height, format, type, null);
  }
  return;
 }
 var pixelData = null;
 if (pixels) pixelData = emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, 0);
 GLctx.texSubImage2D(target, level, xoffset, yoffset, width, height, format, type, pixelData);
}

function _glTexSubImage3D(target, level, xoffset, yoffset, zoffset, width, height, depth, format, type, pixels) {
 if (GLctx.currentPixelUnpackBufferBinding) {
  GLctx["texSubImage3D"](target, level, xoffset, yoffset, zoffset, width, height, depth, format, type, pixels);
 } else if (pixels) {
  var heap = heapObjectForWebGLType(type);
  GLctx["texSubImage3D"](target, level, xoffset, yoffset, zoffset, width, height, depth, format, type, heap, pixels >> heapAccessShiftForWebGLHeap(heap));
 } else {
  GLctx["texSubImage3D"](target, level, xoffset, yoffset, zoffset, width, height, depth, format, type, null);
 }
}

function webglGetUniformLocation(location) {
 var p = GLctx.currentProgram;
 if (p) {
  var webglLoc = p.uniformLocsById[location];
  if (typeof webglLoc == "number") {
   p.uniformLocsById[location] = webglLoc = GLctx.getUniformLocation(p, p.uniformArrayNamesById[location] + (webglLoc > 0 ? "[" + webglLoc + "]" : ""));
  }
  return webglLoc;
 } else {
  GL.recordError(1282);
 }
}

function _glUniform1f(location, v0) {
 GLctx.uniform1f(webglGetUniformLocation(location), v0);
}

function _glUniform1i(location, v0) {
 GLctx.uniform1i(webglGetUniformLocation(location), v0);
}

function _glUniform2f(location, v0, v1) {
 GLctx.uniform2f(webglGetUniformLocation(location), v0, v1);
}

var miniTempWebGLFloatBuffers = [];

function _glUniform2fv(location, count, value) {
 if (GL.currentContext.version >= 2) {
  count && GLctx.uniform2fv(webglGetUniformLocation(location), HEAPF32, value >> 2, count * 2);
  return;
 }
 if (count <= 144) {
  var view = miniTempWebGLFloatBuffers[2 * count - 1];
  for (var i = 0; i < 2 * count; i += 2) {
   view[i] = HEAPF32[value + 4 * i >> 2];
   view[i + 1] = HEAPF32[value + (4 * i + 4) >> 2];
  }
 } else {
  var view = HEAPF32.subarray(value >> 2, value + count * 8 >> 2);
 }
 GLctx.uniform2fv(webglGetUniformLocation(location), view);
}

function _glUniform3f(location, v0, v1, v2) {
 GLctx.uniform3f(webglGetUniformLocation(location), v0, v1, v2);
}

function _glUniform4f(location, v0, v1, v2, v3) {
 GLctx.uniform4f(webglGetUniformLocation(location), v0, v1, v2, v3);
}

function _glUniform4fv(location, count, value) {
 if (GL.currentContext.version >= 2) {
  count && GLctx.uniform4fv(webglGetUniformLocation(location), HEAPF32, value >> 2, count * 4);
  return;
 }
 if (count <= 72) {
  var view = miniTempWebGLFloatBuffers[4 * count - 1];
  var heap = HEAPF32;
  value >>= 2;
  for (var i = 0; i < 4 * count; i += 4) {
   var dst = value + i;
   view[i] = heap[dst];
   view[i + 1] = heap[dst + 1];
   view[i + 2] = heap[dst + 2];
   view[i + 3] = heap[dst + 3];
  }
 } else {
  var view = HEAPF32.subarray(value >> 2, value + count * 16 >> 2);
 }
 GLctx.uniform4fv(webglGetUniformLocation(location), view);
}

var __miniTempWebGLIntBuffers = [];

function _glUniform4iv(location, count, value) {
 if (GL.currentContext.version >= 2) {
  count && GLctx.uniform4iv(webglGetUniformLocation(location), HEAP32, value >> 2, count * 4);
  return;
 }
 if (count <= 72) {
  var view = __miniTempWebGLIntBuffers[4 * count - 1];
  for (var i = 0; i < 4 * count; i += 4) {
   view[i] = HEAP32[value + 4 * i >> 2];
   view[i + 1] = HEAP32[value + (4 * i + 4) >> 2];
   view[i + 2] = HEAP32[value + (4 * i + 8) >> 2];
   view[i + 3] = HEAP32[value + (4 * i + 12) >> 2];
  }
 } else {
  var view = HEAP32.subarray(value >> 2, value + count * 16 >> 2);
 }
 GLctx.uniform4iv(webglGetUniformLocation(location), view);
}

function _glUniformBlockBinding(program, uniformBlockIndex, uniformBlockBinding) {
 program = GL.programs[program];
 GLctx["uniformBlockBinding"](program, uniformBlockIndex, uniformBlockBinding);
}

function _glUseProgram(program) {
 program = GL.programs[program];
 GLctx.useProgram(program);
 GLctx.currentProgram = program;
}

function _glVertexAttribPointer(index, size, type, normalized, stride, ptr) {
 var cb = GL.currentContext.clientBuffers[index];
 if (!GLctx.currentArrayBufferBinding) {
  cb.size = size;
  cb.type = type;
  cb.normalized = normalized;
  cb.stride = stride;
  cb.ptr = ptr;
  cb.clientside = true;
  cb.vertexAttribPointerAdaptor = function(index, size, type, normalized, stride, ptr) {
   this.vertexAttribPointer(index, size, type, normalized, stride, ptr);
  };
  return;
 }
 cb.clientside = false;
 GLctx.vertexAttribPointer(index, size, type, !!normalized, stride, ptr);
}

function _glViewport(x0, x1, x2, x3) {
 GLctx["viewport"](x0, x1, x2, x3);
}

function __arraySum(array, index) {
 var sum = 0;
 for (var i = 0; i <= index; sum += array[i++]) {}
 return sum;
}

var __MONTH_DAYS_LEAP = [ 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 ];

var __MONTH_DAYS_REGULAR = [ 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 ];

function __addDays(date, days) {
 var newDate = new Date(date.getTime());
 while (days > 0) {
  var leap = __isLeapYear(newDate.getFullYear());
  var currentMonth = newDate.getMonth();
  var daysInCurrentMonth = (leap ? __MONTH_DAYS_LEAP : __MONTH_DAYS_REGULAR)[currentMonth];
  if (days > daysInCurrentMonth - newDate.getDate()) {
   days -= daysInCurrentMonth - newDate.getDate() + 1;
   newDate.setDate(1);
   if (currentMonth < 11) {
    newDate.setMonth(currentMonth + 1);
   } else {
    newDate.setMonth(0);
    newDate.setFullYear(newDate.getFullYear() + 1);
   }
  } else {
   newDate.setDate(newDate.getDate() + days);
   return newDate;
  }
 }
 return newDate;
}

function writeArrayToMemory(array, buffer) {
 HEAP8.set(array, buffer);
}

function _strftime(s, maxsize, format, tm) {
 var tm_zone = HEAP32[tm + 40 >> 2];
 var date = {
  tm_sec: HEAP32[tm >> 2],
  tm_min: HEAP32[tm + 4 >> 2],
  tm_hour: HEAP32[tm + 8 >> 2],
  tm_mday: HEAP32[tm + 12 >> 2],
  tm_mon: HEAP32[tm + 16 >> 2],
  tm_year: HEAP32[tm + 20 >> 2],
  tm_wday: HEAP32[tm + 24 >> 2],
  tm_yday: HEAP32[tm + 28 >> 2],
  tm_isdst: HEAP32[tm + 32 >> 2],
  tm_gmtoff: HEAP32[tm + 36 >> 2],
  tm_zone: tm_zone ? UTF8ToString(tm_zone) : ""
 };
 var pattern = UTF8ToString(format);
 var EXPANSION_RULES_1 = {
  "%c": "%a %b %d %H:%M:%S %Y",
  "%D": "%m/%d/%y",
  "%F": "%Y-%m-%d",
  "%h": "%b",
  "%r": "%I:%M:%S %p",
  "%R": "%H:%M",
  "%T": "%H:%M:%S",
  "%x": "%m/%d/%y",
  "%X": "%H:%M:%S",
  "%Ec": "%c",
  "%EC": "%C",
  "%Ex": "%m/%d/%y",
  "%EX": "%H:%M:%S",
  "%Ey": "%y",
  "%EY": "%Y",
  "%Od": "%d",
  "%Oe": "%e",
  "%OH": "%H",
  "%OI": "%I",
  "%Om": "%m",
  "%OM": "%M",
  "%OS": "%S",
  "%Ou": "%u",
  "%OU": "%U",
  "%OV": "%V",
  "%Ow": "%w",
  "%OW": "%W",
  "%Oy": "%y"
 };
 for (var rule in EXPANSION_RULES_1) {
  pattern = pattern.replace(new RegExp(rule, "g"), EXPANSION_RULES_1[rule]);
 }
 var WEEKDAYS = [ "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday" ];
 var MONTHS = [ "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December" ];
 function leadingSomething(value, digits, character) {
  var str = typeof value == "number" ? value.toString() : value || "";
  while (str.length < digits) {
   str = character[0] + str;
  }
  return str;
 }
 function leadingNulls(value, digits) {
  return leadingSomething(value, digits, "0");
 }
 function compareByDay(date1, date2) {
  function sgn(value) {
   return value < 0 ? -1 : value > 0 ? 1 : 0;
  }
  var compare;
  if ((compare = sgn(date1.getFullYear() - date2.getFullYear())) === 0) {
   if ((compare = sgn(date1.getMonth() - date2.getMonth())) === 0) {
    compare = sgn(date1.getDate() - date2.getDate());
   }
  }
  return compare;
 }
 function getFirstWeekStartDate(janFourth) {
  switch (janFourth.getDay()) {
  case 0:
   return new Date(janFourth.getFullYear() - 1, 11, 29);

  case 1:
   return janFourth;

  case 2:
   return new Date(janFourth.getFullYear(), 0, 3);

  case 3:
   return new Date(janFourth.getFullYear(), 0, 2);

  case 4:
   return new Date(janFourth.getFullYear(), 0, 1);

  case 5:
   return new Date(janFourth.getFullYear() - 1, 11, 31);

  case 6:
   return new Date(janFourth.getFullYear() - 1, 11, 30);
  }
 }
 function getWeekBasedYear(date) {
  var thisDate = __addDays(new Date(date.tm_year + 1900, 0, 1), date.tm_yday);
  var janFourthThisYear = new Date(thisDate.getFullYear(), 0, 4);
  var janFourthNextYear = new Date(thisDate.getFullYear() + 1, 0, 4);
  var firstWeekStartThisYear = getFirstWeekStartDate(janFourthThisYear);
  var firstWeekStartNextYear = getFirstWeekStartDate(janFourthNextYear);
  if (compareByDay(firstWeekStartThisYear, thisDate) <= 0) {
   if (compareByDay(firstWeekStartNextYear, thisDate) <= 0) {
    return thisDate.getFullYear() + 1;
   }
   return thisDate.getFullYear();
  }
  return thisDate.getFullYear() - 1;
 }
 var EXPANSION_RULES_2 = {
  "%a": function(date) {
   return WEEKDAYS[date.tm_wday].substring(0, 3);
  },
  "%A": function(date) {
   return WEEKDAYS[date.tm_wday];
  },
  "%b": function(date) {
   return MONTHS[date.tm_mon].substring(0, 3);
  },
  "%B": function(date) {
   return MONTHS[date.tm_mon];
  },
  "%C": function(date) {
   var year = date.tm_year + 1900;
   return leadingNulls(year / 100 | 0, 2);
  },
  "%d": function(date) {
   return leadingNulls(date.tm_mday, 2);
  },
  "%e": function(date) {
   return leadingSomething(date.tm_mday, 2, " ");
  },
  "%g": function(date) {
   return getWeekBasedYear(date).toString().substring(2);
  },
  "%G": function(date) {
   return getWeekBasedYear(date);
  },
  "%H": function(date) {
   return leadingNulls(date.tm_hour, 2);
  },
  "%I": function(date) {
   var twelveHour = date.tm_hour;
   if (twelveHour == 0) twelveHour = 12; else if (twelveHour > 12) twelveHour -= 12;
   return leadingNulls(twelveHour, 2);
  },
  "%j": function(date) {
   return leadingNulls(date.tm_mday + __arraySum(__isLeapYear(date.tm_year + 1900) ? __MONTH_DAYS_LEAP : __MONTH_DAYS_REGULAR, date.tm_mon - 1), 3);
  },
  "%m": function(date) {
   return leadingNulls(date.tm_mon + 1, 2);
  },
  "%M": function(date) {
   return leadingNulls(date.tm_min, 2);
  },
  "%n": function() {
   return "\n";
  },
  "%p": function(date) {
   if (date.tm_hour >= 0 && date.tm_hour < 12) {
    return "AM";
   }
   return "PM";
  },
  "%S": function(date) {
   return leadingNulls(date.tm_sec, 2);
  },
  "%t": function() {
   return "\t";
  },
  "%u": function(date) {
   return date.tm_wday || 7;
  },
  "%U": function(date) {
   var days = date.tm_yday + 7 - date.tm_wday;
   return leadingNulls(Math.floor(days / 7), 2);
  },
  "%V": function(date) {
   var val = Math.floor((date.tm_yday + 7 - (date.tm_wday + 6) % 7) / 7);
   if ((date.tm_wday + 371 - date.tm_yday - 2) % 7 <= 2) {
    val++;
   }
   if (!val) {
    val = 52;
    var dec31 = (date.tm_wday + 7 - date.tm_yday - 1) % 7;
    if (dec31 == 4 || dec31 == 5 && __isLeapYear(date.tm_year % 400 - 1)) {
     val++;
    }
   } else if (val == 53) {
    var jan1 = (date.tm_wday + 371 - date.tm_yday) % 7;
    if (jan1 != 4 && (jan1 != 3 || !__isLeapYear(date.tm_year))) val = 1;
   }
   return leadingNulls(val, 2);
  },
  "%w": function(date) {
   return date.tm_wday;
  },
  "%W": function(date) {
   var days = date.tm_yday + 7 - (date.tm_wday + 6) % 7;
   return leadingNulls(Math.floor(days / 7), 2);
  },
  "%y": function(date) {
   return (date.tm_year + 1900).toString().substring(2);
  },
  "%Y": function(date) {
   return date.tm_year + 1900;
  },
  "%z": function(date) {
   var off = date.tm_gmtoff;
   var ahead = off >= 0;
   off = Math.abs(off) / 60;
   off = off / 60 * 100 + off % 60;
   return (ahead ? "+" : "-") + String("0000" + off).slice(-4);
  },
  "%Z": function(date) {
   return date.tm_zone;
  },
  "%%": function() {
   return "%";
  }
 };
 pattern = pattern.replace(/%%/g, "\0\0");
 for (var rule in EXPANSION_RULES_2) {
  if (pattern.includes(rule)) {
   pattern = pattern.replace(new RegExp(rule, "g"), EXPANSION_RULES_2[rule](date));
  }
 }
 pattern = pattern.replace(/\0\0/g, "%");
 var bytes = intArrayFromString(pattern, false);
 if (bytes.length > maxsize) {
  return 0;
 }
 writeArrayToMemory(bytes, s);
 return bytes.length - 1;
}

function _strftime_l(s, maxsize, format, tm, loc) {
 return _strftime(s, maxsize, format, tm);
}

var WebGPU = {
 initManagers: function() {
  if (WebGPU.mgrDevice) return;
  function Manager() {
   this.objects = {};
   this.nextId = 1;
   this.create = function(object, wrapper) {
    wrapper = wrapper || {};
    var id = this.nextId++;
    wrapper.refcount = 1;
    wrapper.object = object;
    this.objects[id] = wrapper;
    return id;
   };
   this.get = function(id) {
    if (!id) return undefined;
    var o = this.objects[id];
    return o.object;
   };
   this.reference = function(id) {
    var o = this.objects[id];
    o.refcount++;
   };
   this.release = function(id) {
    var o = this.objects[id];
    o.refcount--;
    if (o.refcount <= 0) {
     delete this.objects[id];
    }
   };
  }
  WebGPU.mgrSurface = WebGPU.mgrSurface || new Manager();
  WebGPU.mgrSwapChain = WebGPU.mgrSwapChain || new Manager();
  WebGPU.mgrAdapter = WebGPU.mgrAdapter || new Manager();
  WebGPU.mgrDevice = WebGPU.mgrDevice || new Manager();
  WebGPU.mgrQueue = WebGPU.mgrQueue || new Manager();
  WebGPU.mgrCommandBuffer = WebGPU.mgrCommandBuffer || new Manager();
  WebGPU.mgrCommandEncoder = WebGPU.mgrCommandEncoder || new Manager();
  WebGPU.mgrRenderPassEncoder = WebGPU.mgrRenderPassEncoder || new Manager();
  WebGPU.mgrComputePassEncoder = WebGPU.mgrComputePassEncoder || new Manager();
  WebGPU.mgrBindGroup = WebGPU.mgrBindGroup || new Manager();
  WebGPU.mgrBuffer = WebGPU.mgrBuffer || new Manager();
  WebGPU.mgrSampler = WebGPU.mgrSampler || new Manager();
  WebGPU.mgrTexture = WebGPU.mgrTexture || new Manager();
  WebGPU.mgrTextureView = WebGPU.mgrTextureView || new Manager();
  WebGPU.mgrQuerySet = WebGPU.mgrQuerySet || new Manager();
  WebGPU.mgrBindGroupLayout = WebGPU.mgrBindGroupLayout || new Manager();
  WebGPU.mgrPipelineLayout = WebGPU.mgrPipelineLayout || new Manager();
  WebGPU.mgrRenderPipeline = WebGPU.mgrRenderPipeline || new Manager();
  WebGPU.mgrComputePipeline = WebGPU.mgrComputePipeline || new Manager();
  WebGPU.mgrShaderModule = WebGPU.mgrShaderModule || new Manager();
  WebGPU.mgrRenderBundleEncoder = WebGPU.mgrRenderBundleEncoder || new Manager();
  WebGPU.mgrRenderBundle = WebGPU.mgrRenderBundle || new Manager();
 },
 makeColor: function(ptr) {
  return {
   "r": HEAPF64[ptr >> 3],
   "g": HEAPF64[ptr + 8 >> 3],
   "b": HEAPF64[ptr + 16 >> 3],
   "a": HEAPF64[ptr + 24 >> 3]
  };
 },
 makeExtent3D: function(ptr) {
  return {
   "width": HEAPU32[ptr >> 2],
   "height": HEAPU32[ptr + 4 >> 2],
   "depthOrArrayLayers": HEAPU32[ptr + 8 >> 2]
  };
 },
 makeOrigin3D: function(ptr) {
  return {
   "x": HEAPU32[ptr >> 2],
   "y": HEAPU32[ptr + 4 >> 2],
   "z": HEAPU32[ptr + 8 >> 2]
  };
 },
 makeImageCopyTexture: function(ptr) {
  return {
   "texture": WebGPU.mgrTexture.get(HEAPU32[ptr + 4 >> 2]),
   "mipLevel": HEAPU32[ptr + 8 >> 2],
   "origin": WebGPU.makeOrigin3D(ptr + 12),
   "aspect": WebGPU.TextureAspect[HEAPU32[ptr + 24 >> 2]]
  };
 },
 makeTextureDataLayout: function(ptr) {
  var bytesPerRow = HEAPU32[ptr + 16 >> 2];
  var rowsPerImage = HEAPU32[ptr + 20 >> 2];
  return {
   "offset": HEAPU32[ptr + 4 + 8 >> 2] * 4294967296 + HEAPU32[ptr + 8 >> 2],
   "bytesPerRow": bytesPerRow === 4294967295 ? undefined : bytesPerRow,
   "rowsPerImage": rowsPerImage === 4294967295 ? undefined : rowsPerImage
  };
 },
 makeImageCopyBuffer: function(ptr) {
  var layoutPtr = ptr + 8;
  var bufferCopyView = WebGPU.makeTextureDataLayout(layoutPtr);
  bufferCopyView["buffer"] = WebGPU.mgrBuffer.get(HEAPU32[ptr + 32 >> 2]);
  return bufferCopyView;
 },
 makePipelineConstants: function(constantCount, constantsPtr) {
  if (!constantCount) return;
  var constants = {};
  for (var i = 0; i < constantCount; ++i) {
   var entryPtr = constantsPtr + 16 * i;
   var key = UTF8ToString(HEAPU32[entryPtr + 4 >> 2]);
   constants[key] = HEAPF64[entryPtr + 8 >> 3];
  }
  return constants;
 },
 makePipelineLayout: function(layoutPtr) {
  if (!layoutPtr) return "auto";
  return WebGPU.mgrPipelineLayout.get(layoutPtr);
 },
 makeProgrammableStageDescriptor: function(ptr) {
  if (!ptr) return undefined;
  return {
   "module": WebGPU.mgrShaderModule.get(HEAPU32[ptr + 4 >> 2]),
   "entryPoint": UTF8ToString(HEAPU32[ptr + 8 >> 2]),
   "constants": WebGPU.makePipelineConstants(HEAPU32[ptr + 12 >> 2], HEAPU32[ptr + 16 >> 2])
  };
 },
 DeviceLostReason: {
  undefined: 0,
  destroyed: 1
 },
 PreferredFormat: {
  rgba8unorm: 18,
  bgra8unorm: 23
 },
 AddressMode: [ "repeat", "mirror-repeat", "clamp-to-edge" ],
 BlendFactor: [ "zero", "one", "src", "one-minus-src", "src-alpha", "one-minus-src-alpha", "dst", "one-minus-dst", "dst-alpha", "one-minus-dst-alpha", "src-alpha-saturated", "constant", "one-minus-constant" ],
 BlendOperation: [ "add", "subtract", "reverse-subtract", "min", "max" ],
 BufferBindingType: [ , "uniform", "storage", "read-only-storage" ],
 CompareFunction: [ , "never", "less", "less-equal", "greater", "greater-equal", "equal", "not-equal", "always" ],
 CompilationInfoRequestStatus: [ "success", "error", "device-lost", "unknown" ],
 ComputePassTimestampLocation: [ "beginning", "end" ],
 CullMode: [ "none", "front", "back" ],
 ErrorFilter: [ "validation", "out-of-memory" ],
 FeatureName: [ , "depth-clip-control", "depth32float-stencil8", "timestamp-query", "pipeline-statistics-query", "texture-compression-bc", "texture-compression-etc2", "texture-compression-astc", "indirect-first-instance" ],
 FilterMode: [ "nearest", "linear" ],
 FrontFace: [ "ccw", "cw" ],
 IndexFormat: [ , "uint16", "uint32" ],
 LoadOp: [ , "clear", "load" ],
 PipelineStatisticName: [ "vertex-shader-invocations", "clipper-invocations", "clipper-primitives-out", "fragment-shader-invocations", "compute-shader-invocations" ],
 PowerPreference: [ , "low-power", "high-performance" ],
 PrimitiveTopology: [ "point-list", "line-list", "line-strip", "triangle-list", "triangle-strip" ],
 QueryType: [ "occlusion", "pipeline-statistics", "timestamp" ],
 RenderPassTimestampLocation: [ "beginning", "end" ],
 SamplerBindingType: [ , "filtering", "non-filtering", "comparison" ],
 StencilOperation: [ "keep", "zero", "replace", "invert", "increment-clamp", "decrement-clamp", "increment-wrap", "decrement-wrap" ],
 StorageTextureAccess: [ , "write-only" ],
 StoreOp: [ , "store", "discard" ],
 TextureAspect: [ "all", "stencil-only", "depth-only" ],
 TextureComponentType: [ "float", "sint", "uint", "depth-comparison" ],
 TextureDimension: [ "1d", "2d", "3d" ],
 TextureFormat: [ , "r8unorm", "r8snorm", "r8uint", "r8sint", "r16uint", "r16sint", "r16float", "rg8unorm", "rg8snorm", "rg8uint", "rg8sint", "r32float", "r32uint", "r32sint", "rg16uint", "rg16sint", "rg16float", "rgba8unorm", "rgba8unorm-srgb", "rgba8snorm", "rgba8uint", "rgba8sint", "bgra8unorm", "bgra8unorm-srgb", "rgb10a2unorm", "rg11b10ufloat", "rgb9e5ufloat", "rg32float", "rg32uint", "rg32sint", "rgba16uint", "rgba16sint", "rgba16float", "rgba32float", "rgba32uint", "rgba32sint", "stencil8", "depth16unorm", "depth24plus", "depth24plus-stencil8", "depth32float", "depth32float-stencil8", "bc1-rgba-unorm", "bc1-rgba-unorm-srgb", "bc2-rgba-unorm", "bc2-rgba-unorm-srgb", "bc3-rgba-unorm", "bc3-rgba-unorm-srgb", "bc4-r-unorm", "bc4-r-snorm", "bc5-rg-unorm", "bc5-rg-snorm", "bc6h-rgb-ufloat", "bc6h-rgb-float", "bc7-rgba-unorm", "bc7-rgba-unorm-srgb", "etc2-rgb8unorm", "etc2-rgb8unorm-srgb", "etc2-rgb8a1unorm", "etc2-rgb8a1unorm-srgb", "etc2-rgba8unorm", "etc2-rgba8unorm-srgb", "eac-r11unorm", "eac-r11snorm", "eac-rg11unorm", "eac-rg11snorm", "astc-4x4-unorm", "astc-4x4-unorm-srgb", "astc-5x4-unorm", "astc-5x4-unorm-srgb", "astc-5x5-unorm", "astc-5x5-unorm-srgb", "astc-6x5-unorm", "astc-6x5-unorm-srgb", "astc-6x6-unorm", "astc-6x6-unorm-srgb", "astc-8x5-unorm", "astc-8x5-unorm-srgb", "astc-8x6-unorm", "astc-8x6-unorm-srgb", "astc-8x8-unorm", "astc-8x8-unorm-srgb", "astc-10x5-unorm", "astc-10x5-unorm-srgb", "astc-10x6-unorm", "astc-10x6-unorm-srgb", "astc-10x8-unorm", "astc-10x8-unorm-srgb", "astc-10x10-unorm", "astc-10x10-unorm-srgb", "astc-12x10-unorm", "astc-12x10-unorm-srgb", "astc-12x12-unorm", "astc-12x12-unorm-srgb" ],
 TextureSampleType: [ , "float", "unfilterable-float", "depth", "sint", "uint" ],
 TextureViewDimension: [ , "1d", "2d", "2d-array", "cube", "cube-array", "3d" ],
 VertexFormat: [ , "uint8x2", "uint8x4", "sint8x2", "sint8x4", "unorm8x2", "unorm8x4", "snorm8x2", "snorm8x4", "uint16x2", "uint16x4", "sint16x2", "sint16x4", "unorm16x2", "unorm16x4", "snorm16x2", "snorm16x4", "float16x2", "float16x4", "float32", "float32x2", "float32x3", "float32x4", "uint32", "uint32x2", "uint32x3", "uint32x4", "sint32", "sint32x2", "sint32x3", "sint32x4" ],
 VertexStepMode: [ "vertex", "instance" ],
 FeatureNameString2Enum: {
  undefined: "0",
  "depth-clip-control": "1",
  "depth32float-stencil8": "2",
  "timestamp-query": "3",
  "pipeline-statistics-query": "4",
  "texture-compression-bc": "5",
  "texture-compression-etc2": "6",
  "texture-compression-astc": "7",
  "indirect-first-instance": "8"
 }
};

function _wgpuTextureDestroy(textureId) {
 WebGPU.mgrTexture.get(textureId)["destroy"]();
}

function _wgpuTextureRelease(id) {
 WebGPU.mgrTexture.release(id);
}

var wasmTableMirror = [];

function getWasmTableEntry(funcPtr) {
 var func = wasmTableMirror[funcPtr];
 if (!func) {
  if (funcPtr >= wasmTableMirror.length) wasmTableMirror.length = funcPtr + 1;
  wasmTableMirror[funcPtr] = func = wasmTable.get(funcPtr);
 }
 return func;
}

function getCFunc(ident) {
 var func = Module["_" + ident];
 return func;
}

function ccall(ident, returnType, argTypes, args, opts) {
 var toC = {
  "string": str => {
   var ret = 0;
   if (str !== null && str !== undefined && str !== 0) {
    var len = (str.length << 2) + 1;
    ret = stackAlloc(len);
    stringToUTF8(str, ret, len);
   }
   return ret;
  },
  "array": arr => {
   var ret = stackAlloc(arr.length);
   writeArrayToMemory(arr, ret);
   return ret;
  }
 };
 function convertReturnValue(ret) {
  if (returnType === "string") {
   return UTF8ToString(ret);
  }
  if (returnType === "boolean") return Boolean(ret);
  return ret;
 }
 var func = getCFunc(ident);
 var cArgs = [];
 var stack = 0;
 if (args) {
  for (var i = 0; i < args.length; i++) {
   var converter = toC[argTypes[i]];
   if (converter) {
    if (stack === 0) stack = stackSave();
    cArgs[i] = converter(args[i]);
   } else {
    cArgs[i] = args[i];
   }
  }
 }
 var ret = func.apply(null, cArgs);
 function onDone(ret) {
  if (stack !== 0) stackRestore(stack);
  return convertReturnValue(ret);
 }
 ret = onDone(ret);
 return ret;
}

Module["requestFullscreen"] = function Module_requestFullscreen(lockPointer, resizeCanvas) {
 Browser.requestFullscreen(lockPointer, resizeCanvas);
};

Module["requestAnimationFrame"] = function Module_requestAnimationFrame(func) {
 Browser.requestAnimationFrame(func);
};

Module["setCanvasSize"] = function Module_setCanvasSize(width, height, noUpdates) {
 Browser.setCanvasSize(width, height, noUpdates);
};

Module["pauseMainLoop"] = function Module_pauseMainLoop() {
 Browser.mainLoop.pause();
};

Module["resumeMainLoop"] = function Module_resumeMainLoop() {
 Browser.mainLoop.resume();
};

Module["getUserMedia"] = function Module_getUserMedia() {
 Browser.getUserMedia();
};

Module["createContext"] = function Module_createContext(canvas, useWebGL, setInModule, webGLContextAttributes) {
 return Browser.createContext(canvas, useWebGL, setInModule, webGLContextAttributes);
};

var preloadedImages = {};

var preloadedAudios = {};

var FSNode = function(parent, name, mode, rdev) {
 if (!parent) {
  parent = this;
 }
 this.parent = parent;
 this.mount = parent.mount;
 this.mounted = null;
 this.id = FS.nextInode++;
 this.name = name;
 this.mode = mode;
 this.node_ops = {};
 this.stream_ops = {};
 this.rdev = rdev;
};

var readMode = 292 | 73;

var writeMode = 146;

Object.defineProperties(FSNode.prototype, {
 read: {
  get: function() {
   return (this.mode & readMode) === readMode;
  },
  set: function(val) {
   val ? this.mode |= readMode : this.mode &= ~readMode;
  }
 },
 write: {
  get: function() {
   return (this.mode & writeMode) === writeMode;
  },
  set: function(val) {
   val ? this.mode |= writeMode : this.mode &= ~writeMode;
  }
 },
 isFolder: {
  get: function() {
   return FS.isDir(this.mode);
  }
 },
 isDevice: {
  get: function() {
   return FS.isChrdev(this.mode);
  }
 }
});

FS.FSNode = FSNode;

FS.staticInit();

Module["FS_createPath"] = FS.createPath;

Module["FS_createDataFile"] = FS.createDataFile;

Module["FS_createPreloadedFile"] = FS.createPreloadedFile;

Module["FS_unlink"] = FS.unlink;

Module["FS_createLazyFile"] = FS.createLazyFile;

Module["FS_createDevice"] = FS.createDevice;

var GLctx;

for (var i = 0; i < 32; ++i) tempFixedLengthArray.push(new Array(i));

var miniTempWebGLFloatBuffersStorage = new Float32Array(288);

for (var i = 0; i < 288; ++i) {
 miniTempWebGLFloatBuffers[i] = miniTempWebGLFloatBuffersStorage.subarray(0, i + 1);
}

var __miniTempWebGLIntBuffersStorage = new Int32Array(288);

for (var i = 0; i < 288; ++i) {
 __miniTempWebGLIntBuffers[i] = __miniTempWebGLIntBuffersStorage.subarray(0, i + 1);
}

WebGPU.initManagers();

var asmLibraryArg = {
 "yb": HaveOffsetConverter,
 "xb": JsOnEmptyPacketListener,
 "ia": JsOnSimpleListenerBinaryArray,
 "wb": JsOnSimpleListenerBool,
 "vb": JsOnSimpleListenerDouble,
 "ub": JsOnSimpleListenerFloat,
 "tb": JsOnSimpleListenerInt,
 "sb": JsOnSimpleListenerString,
 "s": JsOnVectorFinishedListener,
 "rb": JsOnVectorListenerBool,
 "qb": JsOnVectorListenerDouble,
 "pb": JsOnVectorListenerFloat,
 "ob": JsOnVectorListenerInt,
 "nb": JsOnVectorListenerProto,
 "mb": JsOnVectorListenerString,
 "lb": JsUpdateBlendshape,
 "l": JsWrapErrorListener,
 "g": JsWrapSimpleListeners,
 "ha": ___syscall_fcntl64,
 "kb": ___syscall_ioctl,
 "jb": ___syscall_openat,
 "ib": ___syscall_stat64,
 "db": __dlinit,
 "cb": __dlopen_js,
 "bb": __dlsym_js,
 "ab": __emscripten_get_now_is_monotonic,
 "$a": __emscripten_throw_longjmp,
 "_a": __gmtime_js,
 "Za": __localtime_js,
 "Ya": __mktime_js,
 "Xa": __munmap_js,
 "Wa": __tzset_js,
 "a": _abort,
 "p": _emscripten_asm_const_int,
 "Va": _emscripten_date_now,
 "Ua": _emscripten_get_heap_max,
 "k": _emscripten_get_now,
 "Ta": _emscripten_memcpy_big,
 "Sa": _emscripten_pc_get_function,
 "Ra": _emscripten_resize_heap,
 "Qa": _emscripten_stack_snapshot,
 "Pa": _emscripten_stack_unwind_buffer,
 "Oa": _emscripten_webgl_create_context,
 "Na": _emscripten_webgl_destroy_context,
 "Ma": _emscripten_webgl_get_context_attributes,
 "fa": _emscripten_webgl_get_current_context,
 "La": _emscripten_webgl_init_context_attributes,
 "Ka": _emscripten_webgl_make_context_current,
 "hb": _environ_get,
 "gb": _environ_sizes_get,
 "Ja": eval_string,
 "ea": _exit,
 "ga": _fd_close,
 "fb": _fd_read,
 "na": _fd_seek,
 "Q": _fd_write,
 "Ia": _getentropy,
 "j": _glActiveTexture,
 "I": _glAttachShader,
 "Ha": _glBindAttribLocation,
 "d": _glBindBuffer,
 "Ga": _glBindBufferBase,
 "h": _glBindFramebuffer,
 "b": _glBindTexture,
 "A": _glBufferData,
 "Fa": _glClear,
 "ma": _glClientWaitSync,
 "da": _glCompileShader,
 "ca": _glCreateProgram,
 "ba": _glCreateShader,
 "z": _glDeleteBuffers,
 "P": _glDeleteFramebuffers,
 "H": _glDeleteProgram,
 "y": _glDeleteShader,
 "x": _glDeleteSync,
 "i": _glDeleteTextures,
 "aa": _glDisable,
 "G": _glDisableVertexAttribArray,
 "O": _glDrawArrays,
 "$": _glDrawBuffers,
 "w": _glEnableVertexAttribArray,
 "_": _glFenceSync,
 "F": _glFinish,
 "Z": _glFlush,
 "r": _glFramebufferTexture2D,
 "Y": _glFramebufferTextureLayer,
 "v": _glGenBuffers,
 "N": _glGenFramebuffers,
 "o": _glGenTextures,
 "X": _glGetAttribLocation,
 "E": _glGetError,
 "e": _glGetIntegerv,
 "Ea": _glGetProgramiv,
 "Da": _glGetShaderInfoLog,
 "Ca": _glGetShaderiv,
 "n": _glGetString,
 "Ba": _glGetUniformBlockIndex,
 "f": _glGetUniformLocation,
 "W": _glLinkProgram,
 "D": _glPixelStorei,
 "V": _glReadPixels,
 "U": _glShaderSource,
 "m": _glTexImage2D,
 "c": _glTexParameteri,
 "M": _glTexStorage2D,
 "Aa": _glTexStorage3D,
 "L": _glTexSubImage2D,
 "za": _glTexSubImage3D,
 "T": _glUniform1f,
 "q": _glUniform1i,
 "S": _glUniform2f,
 "ya": _glUniform2fv,
 "xa": _glUniform3f,
 "wa": _glUniform4f,
 "va": _glUniform4fv,
 "ua": _glUniform4iv,
 "ta": _glUniformBlockBinding,
 "u": _glUseProgram,
 "t": _glVertexAttribPointer,
 "K": _glViewport,
 "C": invoke_ii,
 "R": invoke_iii,
 "sa": invoke_iiii,
 "J": invoke_iiiii,
 "ra": invoke_vi,
 "qa": invoke_vii,
 "pa": invoke_viii,
 "oa": invoke_viiii,
 "eb": _proc_exit,
 "B": _strftime,
 "la": _strftime_l,
 "ka": _wgpuTextureDestroy,
 "ja": _wgpuTextureRelease
};

var asm = createWasm();

var ___wasm_call_ctors = Module["___wasm_call_ctors"] = function() {
 return (___wasm_call_ctors = Module["___wasm_call_ctors"] = Module["asm"]["Ab"]).apply(null, arguments);
};

var _free = Module["_free"] = function() {
 return (_free = Module["_free"] = Module["asm"]["Bb"]).apply(null, arguments);
};

var _configureAudio = Module["_configureAudio"] = function() {
 return (_configureAudio = Module["_configureAudio"] = Module["asm"]["Db"]).apply(null, arguments);
};

var _addAudioToInputStream = Module["_addAudioToInputStream"] = function() {
 return (_addAudioToInputStream = Module["_addAudioToInputStream"] = Module["asm"]["Eb"]).apply(null, arguments);
};

var _malloc = Module["_malloc"] = function() {
 return (_malloc = Module["_malloc"] = Module["asm"]["Fb"]).apply(null, arguments);
};

var _bindTextureToStream = Module["_bindTextureToStream"] = function() {
 return (_bindTextureToStream = Module["_bindTextureToStream"] = Module["asm"]["Gb"]).apply(null, arguments);
};

var _addBoundTextureToStream = Module["_addBoundTextureToStream"] = function() {
 return (_addBoundTextureToStream = Module["_addBoundTextureToStream"] = Module["asm"]["Hb"]).apply(null, arguments);
};

var _addDoubleToInputStream = Module["_addDoubleToInputStream"] = function() {
 return (_addDoubleToInputStream = Module["_addDoubleToInputStream"] = Module["asm"]["Ib"]).apply(null, arguments);
};

var _addFloatToInputStream = Module["_addFloatToInputStream"] = function() {
 return (_addFloatToInputStream = Module["_addFloatToInputStream"] = Module["asm"]["Jb"]).apply(null, arguments);
};

var _addBoolToInputStream = Module["_addBoolToInputStream"] = function() {
 return (_addBoolToInputStream = Module["_addBoolToInputStream"] = Module["asm"]["Kb"]).apply(null, arguments);
};

var _addIntToInputStream = Module["_addIntToInputStream"] = function() {
 return (_addIntToInputStream = Module["_addIntToInputStream"] = Module["asm"]["Lb"]).apply(null, arguments);
};

var _addStringToInputStream = Module["_addStringToInputStream"] = function() {
 return (_addStringToInputStream = Module["_addStringToInputStream"] = Module["asm"]["Mb"]).apply(null, arguments);
};

var _addFlatHashMapToInputStream = Module["_addFlatHashMapToInputStream"] = function() {
 return (_addFlatHashMapToInputStream = Module["_addFlatHashMapToInputStream"] = Module["asm"]["Nb"]).apply(null, arguments);
};

var _addProtoToInputStream = Module["_addProtoToInputStream"] = function() {
 return (_addProtoToInputStream = Module["_addProtoToInputStream"] = Module["asm"]["Ob"]).apply(null, arguments);
};

var _addEmptyPacketToInputStream = Module["_addEmptyPacketToInputStream"] = function() {
 return (_addEmptyPacketToInputStream = Module["_addEmptyPacketToInputStream"] = Module["asm"]["Pb"]).apply(null, arguments);
};

var _addBoolToInputSidePacket = Module["_addBoolToInputSidePacket"] = function() {
 return (_addBoolToInputSidePacket = Module["_addBoolToInputSidePacket"] = Module["asm"]["Qb"]).apply(null, arguments);
};

var _addDoubleToInputSidePacket = Module["_addDoubleToInputSidePacket"] = function() {
 return (_addDoubleToInputSidePacket = Module["_addDoubleToInputSidePacket"] = Module["asm"]["Rb"]).apply(null, arguments);
};

var _addFloatToInputSidePacket = Module["_addFloatToInputSidePacket"] = function() {
 return (_addFloatToInputSidePacket = Module["_addFloatToInputSidePacket"] = Module["asm"]["Sb"]).apply(null, arguments);
};

var _addIntToInputSidePacket = Module["_addIntToInputSidePacket"] = function() {
 return (_addIntToInputSidePacket = Module["_addIntToInputSidePacket"] = Module["asm"]["Tb"]).apply(null, arguments);
};

var _addStringToInputSidePacket = Module["_addStringToInputSidePacket"] = function() {
 return (_addStringToInputSidePacket = Module["_addStringToInputSidePacket"] = Module["asm"]["Ub"]).apply(null, arguments);
};

var _addProtoToInputSidePacket = Module["_addProtoToInputSidePacket"] = function() {
 return (_addProtoToInputSidePacket = Module["_addProtoToInputSidePacket"] = Module["asm"]["Vb"]).apply(null, arguments);
};

var _attachBoolListener = Module["_attachBoolListener"] = function() {
 return (_attachBoolListener = Module["_attachBoolListener"] = Module["asm"]["Wb"]).apply(null, arguments);
};

var _attachBoolVectorListener = Module["_attachBoolVectorListener"] = function() {
 return (_attachBoolVectorListener = Module["_attachBoolVectorListener"] = Module["asm"]["Xb"]).apply(null, arguments);
};

var _attachDoubleListener = Module["_attachDoubleListener"] = function() {
 return (_attachDoubleListener = Module["_attachDoubleListener"] = Module["asm"]["Yb"]).apply(null, arguments);
};

var _attachDoubleVectorListener = Module["_attachDoubleVectorListener"] = function() {
 return (_attachDoubleVectorListener = Module["_attachDoubleVectorListener"] = Module["asm"]["Zb"]).apply(null, arguments);
};

var _attachFloatListener = Module["_attachFloatListener"] = function() {
 return (_attachFloatListener = Module["_attachFloatListener"] = Module["asm"]["_b"]).apply(null, arguments);
};

var _attachFloatVectorListener = Module["_attachFloatVectorListener"] = function() {
 return (_attachFloatVectorListener = Module["_attachFloatVectorListener"] = Module["asm"]["$b"]).apply(null, arguments);
};

var _attachIntListener = Module["_attachIntListener"] = function() {
 return (_attachIntListener = Module["_attachIntListener"] = Module["asm"]["ac"]).apply(null, arguments);
};

var _attachIntVectorListener = Module["_attachIntVectorListener"] = function() {
 return (_attachIntVectorListener = Module["_attachIntVectorListener"] = Module["asm"]["bc"]).apply(null, arguments);
};

var _attachStringListener = Module["_attachStringListener"] = function() {
 return (_attachStringListener = Module["_attachStringListener"] = Module["asm"]["cc"]).apply(null, arguments);
};

var _attachStringVectorListener = Module["_attachStringVectorListener"] = function() {
 return (_attachStringVectorListener = Module["_attachStringVectorListener"] = Module["asm"]["dc"]).apply(null, arguments);
};

var _attachProtoListener = Module["_attachProtoListener"] = function() {
 return (_attachProtoListener = Module["_attachProtoListener"] = Module["asm"]["ec"]).apply(null, arguments);
};

var _attachProtoVectorListener = Module["_attachProtoVectorListener"] = function() {
 return (_attachProtoVectorListener = Module["_attachProtoVectorListener"] = Module["asm"]["fc"]).apply(null, arguments);
};

var _getGraphConfig = Module["_getGraphConfig"] = function() {
 return (_getGraphConfig = Module["_getGraphConfig"] = Module["asm"]["gc"]).apply(null, arguments);
};

var _clearSubgraphs = Module["_clearSubgraphs"] = function() {
 return (_clearSubgraphs = Module["_clearSubgraphs"] = Module["asm"]["hc"]).apply(null, arguments);
};

var _pushBinarySubgraph = Module["_pushBinarySubgraph"] = function() {
 return (_pushBinarySubgraph = Module["_pushBinarySubgraph"] = Module["asm"]["ic"]).apply(null, arguments);
};

var _pushTextSubgraph = Module["_pushTextSubgraph"] = function() {
 return (_pushTextSubgraph = Module["_pushTextSubgraph"] = Module["asm"]["jc"]).apply(null, arguments);
};

var _changeBinaryGraph = Module["_changeBinaryGraph"] = function() {
 return (_changeBinaryGraph = Module["_changeBinaryGraph"] = Module["asm"]["kc"]).apply(null, arguments);
};

var _changeTextGraph = Module["_changeTextGraph"] = function() {
 return (_changeTextGraph = Module["_changeTextGraph"] = Module["asm"]["lc"]).apply(null, arguments);
};

var _processGl = Module["_processGl"] = function() {
 return (_processGl = Module["_processGl"] = Module["asm"]["mc"]).apply(null, arguments);
};

var _process = Module["_process"] = function() {
 return (_process = Module["_process"] = Module["asm"]["nc"]).apply(null, arguments);
};

var _bindTextureToCanvas = Module["_bindTextureToCanvas"] = function() {
 return (_bindTextureToCanvas = Module["_bindTextureToCanvas"] = Module["asm"]["oc"]).apply(null, arguments);
};

var _requestShaderRefreshOnGraphChange = Module["_requestShaderRefreshOnGraphChange"] = function() {
 return (_requestShaderRefreshOnGraphChange = Module["_requestShaderRefreshOnGraphChange"] = Module["asm"]["pc"]).apply(null, arguments);
};

var _waitUntilIdle = Module["_waitUntilIdle"] = function() {
 return (_waitUntilIdle = Module["_waitUntilIdle"] = Module["asm"]["qc"]).apply(null, arguments);
};

var _setAutoRenderToScreen = Module["_setAutoRenderToScreen"] = function() {
 return (_setAutoRenderToScreen = Module["_setAutoRenderToScreen"] = Module["asm"]["rc"]).apply(null, arguments);
};

var _isEmptyStream = Module["_isEmptyStream"] = function() {
 return (_isEmptyStream = Module["_isEmptyStream"] = Module["asm"]["sc"]).apply(null, arguments);
};

var _routeAnyInputToOutputStream = Module["_routeAnyInputToOutputStream"] = function() {
 return (_routeAnyInputToOutputStream = Module["_routeAnyInputToOutputStream"] = Module["asm"]["tc"]).apply(null, arguments);
};

var _addFloatToStream = Module["_addFloatToStream"] = function() {
 return (_addFloatToStream = Module["_addFloatToStream"] = Module["asm"]["uc"]).apply(null, arguments);
};

var _addIntToStream = Module["_addIntToStream"] = function() {
 return (_addIntToStream = Module["_addIntToStream"] = Module["asm"]["vc"]).apply(null, arguments);
};

var _addStringToStream = Module["_addStringToStream"] = function() {
 return (_addStringToStream = Module["_addStringToStream"] = Module["asm"]["wc"]).apply(null, arguments);
};

var __createTempFloatVec = Module["__createTempFloatVec"] = function() {
 return (__createTempFloatVec = Module["__createTempFloatVec"] = Module["asm"]["xc"]).apply(null, arguments);
};

var __createTempUint8Vec = Module["__createTempUint8Vec"] = function() {
 return (__createTempUint8Vec = Module["__createTempUint8Vec"] = Module["asm"]["yc"]).apply(null, arguments);
};

var __tempFloatVecPush = Module["__tempFloatVecPush"] = function() {
 return (__tempFloatVecPush = Module["__tempFloatVecPush"] = Module["asm"]["zc"]).apply(null, arguments);
};

var __tempUint8VecPush = Module["__tempUint8VecPush"] = function() {
 return (__tempUint8VecPush = Module["__tempUint8VecPush"] = Module["asm"]["Ac"]).apply(null, arguments);
};

var _addFloatVecToStream = Module["_addFloatVecToStream"] = function() {
 return (_addFloatVecToStream = Module["_addFloatVecToStream"] = Module["asm"]["Bc"]).apply(null, arguments);
};

var _addProtoBytesToStream = Module["_addProtoBytesToStream"] = function() {
 return (_addProtoBytesToStream = Module["_addProtoBytesToStream"] = Module["asm"]["Cc"]).apply(null, arguments);
};

var _getNumberFromStream = Module["_getNumberFromStream"] = function() {
 return (_getNumberFromStream = Module["_getNumberFromStream"] = Module["asm"]["Dc"]).apply(null, arguments);
};

var __createProtoDataPointerFromStream = Module["__createProtoDataPointerFromStream"] = function() {
 return (__createProtoDataPointerFromStream = Module["__createProtoDataPointerFromStream"] = Module["asm"]["Ec"]).apply(null, arguments);
};

var __getProtoSizeFromProtoDataPointer = Module["__getProtoSizeFromProtoDataPointer"] = function() {
 return (__getProtoSizeFromProtoDataPointer = Module["__getProtoSizeFromProtoDataPointer"] = Module["asm"]["Fc"]).apply(null, arguments);
};

var __getProtoBytesFromProtoDataPointer = Module["__getProtoBytesFromProtoDataPointer"] = function() {
 return (__getProtoBytesFromProtoDataPointer = Module["__getProtoBytesFromProtoDataPointer"] = Module["asm"]["Gc"]).apply(null, arguments);
};

var __freeProtoDataPointer = Module["__freeProtoDataPointer"] = function() {
 return (__freeProtoDataPointer = Module["__freeProtoDataPointer"] = Module["asm"]["Hc"]).apply(null, arguments);
};

var _getInputTimestamp = Module["_getInputTimestamp"] = function() {
 return (_getInputTimestamp = Module["_getInputTimestamp"] = Module["asm"]["Ic"]).apply(null, arguments);
};

var ___errno_location = Module["___errno_location"] = function() {
 return (___errno_location = Module["___errno_location"] = Module["asm"]["Jc"]).apply(null, arguments);
};

var _emscripten_builtin_memalign = Module["_emscripten_builtin_memalign"] = function() {
 return (_emscripten_builtin_memalign = Module["_emscripten_builtin_memalign"] = Module["asm"]["Kc"]).apply(null, arguments);
};

var _setThrew = Module["_setThrew"] = function() {
 return (_setThrew = Module["_setThrew"] = Module["asm"]["Lc"]).apply(null, arguments);
};

var stackSave = Module["stackSave"] = function() {
 return (stackSave = Module["stackSave"] = Module["asm"]["Mc"]).apply(null, arguments);
};

var stackRestore = Module["stackRestore"] = function() {
 return (stackRestore = Module["stackRestore"] = Module["asm"]["Nc"]).apply(null, arguments);
};

var stackAlloc = Module["stackAlloc"] = function() {
 return (stackAlloc = Module["stackAlloc"] = Module["asm"]["Oc"]).apply(null, arguments);
};

var ___start_em_js = Module["___start_em_js"] = 608876;

var ___stop_em_js = Module["___stop_em_js"] = 612691;

function invoke_iiiii(index, a1, a2, a3, a4) {
 var sp = stackSave();
 try {
  return getWasmTableEntry(index)(a1, a2, a3, a4);
 } catch (e) {
  stackRestore(sp);
  if (e !== e + 0) throw e;
  _setThrew(1, 0);
 }
}

function invoke_ii(index, a1) {
 var sp = stackSave();
 try {
  return getWasmTableEntry(index)(a1);
 } catch (e) {
  stackRestore(sp);
  if (e !== e + 0) throw e;
  _setThrew(1, 0);
 }
}

function invoke_viiii(index, a1, a2, a3, a4) {
 var sp = stackSave();
 try {
  getWasmTableEntry(index)(a1, a2, a3, a4);
 } catch (e) {
  stackRestore(sp);
  if (e !== e + 0) throw e;
  _setThrew(1, 0);
 }
}

function invoke_iiii(index, a1, a2, a3) {
 var sp = stackSave();
 try {
  return getWasmTableEntry(index)(a1, a2, a3);
 } catch (e) {
  stackRestore(sp);
  if (e !== e + 0) throw e;
  _setThrew(1, 0);
 }
}

function invoke_viii(index, a1, a2, a3) {
 var sp = stackSave();
 try {
  getWasmTableEntry(index)(a1, a2, a3);
 } catch (e) {
  stackRestore(sp);
  if (e !== e + 0) throw e;
  _setThrew(1, 0);
 }
}

function invoke_iii(index, a1, a2) {
 var sp = stackSave();
 try {
  return getWasmTableEntry(index)(a1, a2);
 } catch (e) {
  stackRestore(sp);
  if (e !== e + 0) throw e;
  _setThrew(1, 0);
 }
}

function invoke_vi(index, a1) {
 var sp = stackSave();
 try {
  getWasmTableEntry(index)(a1);
 } catch (e) {
  stackRestore(sp);
  if (e !== e + 0) throw e;
  _setThrew(1, 0);
 }
}

function invoke_vii(index, a1, a2) {
 var sp = stackSave();
 try {
  getWasmTableEntry(index)(a1, a2);
 } catch (e) {
  stackRestore(sp);
  if (e !== e + 0) throw e;
  _setThrew(1, 0);
 }
}

Module["addRunDependency"] = addRunDependency;

Module["removeRunDependency"] = removeRunDependency;

Module["FS_createPath"] = FS.createPath;

Module["FS_createDataFile"] = FS.createDataFile;

Module["FS_createPreloadedFile"] = FS.createPreloadedFile;

Module["FS_createLazyFile"] = FS.createLazyFile;

Module["FS_createDevice"] = FS.createDevice;

Module["FS_unlink"] = FS.unlink;

Module["stringToNewUTF8"] = stringToNewUTF8;

Module["ccall"] = ccall;

var calledRun;

dependenciesFulfilled = function runCaller() {
 if (!calledRun) run();
 if (!calledRun) dependenciesFulfilled = runCaller;
};

function run(args) {
 args = args || arguments_;
 if (runDependencies > 0) {
  return;
 }
 preRun();
 if (runDependencies > 0) {
  return;
 }
 function doRun() {
  if (calledRun) return;
  calledRun = true;
  Module["calledRun"] = true;
  if (ABORT) return;
  initRuntime();
  readyPromiseResolve(Module);
  if (Module["onRuntimeInitialized"]) Module["onRuntimeInitialized"]();
  postRun();
 }
 if (Module["setStatus"]) {
  Module["setStatus"]("Running...");
  setTimeout(function() {
   setTimeout(function() {
    Module["setStatus"]("");
   }, 1);
   doRun();
  }, 1);
 } else {
  doRun();
 }
}

if (Module["preInit"]) {
 if (typeof Module["preInit"] == "function") Module["preInit"] = [ Module["preInit"] ];
 while (Module["preInit"].length > 0) {
  Module["preInit"].pop()();
 }
}

run();


  return ModuleFactory.ready
}
);
})();
if (typeof exports === 'object' && typeof module === 'object')
  module.exports = ModuleFactory;
else if (typeof define === 'function' && define['amd'])
  define([], function() { return ModuleFactory; });
else if (typeof exports === 'object')
  exports["ModuleFactory"] = ModuleFactory;
